Solving Proportions Review

Solve the proportion.

• k = 5

• k = 6

• k = 60

• k = 90

Solve the proportion.

• 2.5

• 1

• 3.25

• -2.25

Solve the proportion.

• 15

• 5

• 10

• 12

Solve the proportion.

• 27

• 12

• 1.3

• 3.67

Solve the proportion.

• n=6

• n=24

• n=7

• n=8

The ratio of black keys to white keys on a piano is 5 to 7.  Complete the table to create additional equivalent ratios.

d

c

e

f

35

28

63

55

84

21

The ratio of black keys to white keys on a piano is 5 to 7.  Complete the table to create additional equivalent ratios.​

d

c

e

f

28

84

35

55

63

21

Solve for the variable:

• 41

• 43

• 47

• 49

The ratio of black keys to white keys on a piano is 5 to 7.  Complete the table to create additional equivalent ratios.

d

c

e

f

84

35

21

55

28

63

Solve the proportion.

• 10.8

• 7.5

• 5

• 54