Question

Find the fourth proportional of
(ii) 72 cm, 1.2 m, 60 mm
​

Answer 1

Answer:

72 cm, 1.2 m, 60 mm, x

72 cm= 720 mm

1.2 m= 1200 mm

60 mm

x mm

720 mm:1200 mm::60 mm:x mm

720/1200=3/5

60:x=60/x

3/5=60/x

x= 1/100

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