Proportion Word Problems (VA SOL 7.3)

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal.

Front

How do you solve a proportion?

Back

To solve a proportion, cross-multiply the two ratios and set the products equal to each other.

Front

What does it mean for two triangles to be similar?

Back

Two triangles are similar if their corresponding angles are equal and their corresponding sides are in proportion.

Front

If triangle ABC is similar to triangle FGH, and AB/FG = BC/GH, what can you conclude?

Back

The ratios of the lengths of corresponding sides are equal.

Front

What is the formula to find the scale factor between two similar figures?

Back

Scale Factor = Length of a side in the new figure / Length of the corresponding side in the original figure.

Front

If a person does 10 pull-ups 4 times a day, how many pull-ups do they do in one day?

Back

40 pull-ups.

Front

How do you calculate the total number of pull-ups in multiple days?

Back

Multiply the number of pull-ups done in one day by the number of days.

Front

What is a scale drawing?

Back

A scale drawing is a representation of an object or area that is proportional to its actual size.

Front

How do you determine the dimensions of a scale drawing?

Back

Use the scale factor to convert actual dimensions to the dimensions in the drawing.

Front

If a worker earns $45 for 5 hours of work, how do you find their hourly wage?

Back

Hourly Wage = Total Pay / Total Hours worked.