Setting Up Proportions

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal. For example, if a/b = c/d, then a, b, c, and d are in proportion.

Front

How do you set up a proportion?

Back

Front

What is cross-multiplication in proportions?

Back

Front

If 54 pounds of gummy bears cost $450, how many pounds can you buy for $50?

Back

Front

What is the relationship between ratios and proportions?

Back

Front

How do you find an unknown in a proportion?

Back

To find an unknown in a proportion, set up the proportion and use cross-multiplication to solve for the unknown variable.

Front

What is the formula for setting up a proportion based on a word problem?

Back

Front

If Pablo's Macho Tacos sells 7 burritos for every 9 tacos, how many tacos are sold if 63 burritos are sold?

Back

Front

What is the importance of proportions in real-life situations?

Back

Proportions help in comparing quantities and making predictions based on known relationships, such as recipes, scale models, and financial calculations.

Front

How can proportions be used to solve problems involving rates?

Back

Proportions can be used to compare rates, such as speed or cost per item, by setting up a ratio of the quantities involved and solving for the unknown.