How To Solve A Proportion Word Problem

On Thanksgiving, you'll be serving rice to 25 people. Because the ratio of 2 parts water and 1 part dry rice applies to cooking 25 servings of rice, use a proportion to determine the quantity of ingredients.: Translating a word problem into an equation is super important.Whether the answer or food is palatable depends on the equation.

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Sure, with the right numbers, you can forgo setting up an algebraic equation to determine the amounts of dry rice and water.

What happens when the numbers are not so friendly, however?

Then we set the two products equal to each other and solve for the unknown. We can use proportions to solve this problem, but first we have to construct the proportion that represents this problem.

To construct a proportion, we just need to set up two ratios comparing the same quantities and then set them equal.

Mess it up, and you’ll be scooping a gummy mess on top of your guests' crawfish étouffée.

Because you are quadrupling your guest list (3 people * 4 = 12 people), you must quadruple your recipe. These shifts in a recipe demonstrate the heart of proportions: using a ratio to accommodate life's greater and smaller changes.Anyone can earn credit-by-exam regardless of age or education level.On Monday, you are cooking enough white rice to serve exactly 3 people.In our example, we have the number of hours you work and the amount of your paycheck as our quantities.We know that when you work 22 hours, you make 3.Lastly, we can use the proportion to solve for the unknown.Suppose you are baking cookies for an upcoming event.We want to know how many cookies you will be able to make in 7 hours, so the unknown quantity is the number of cookies. Once again, we can set up a ratio comparing the number of cookies to hours. We can use proportions to solve real world problems by using the following steps. We have over 200 college courses that prepare you to earn credit by exam that is accepted by over 1,500 colleges and universities.You can test out of the first two years of college and save thousands off your degree.To cross multiply, take the first fraction's numerator and multiply it by the second fraction's denominator.Then take the second fraction's numerator and multiply it by the first fraction's denominator.


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