The scale on a map is 4 cm:200 km. What distance is represented by a 6.2 cm segment on the map?(Enter the number only with no km units in the blank.)
Question
The scale on a map is 4 cm:200 km. What distance is represented by a 6.2 cm segment on the map?
(Enter the number only with no km units in the blank.)
Solution
First, you need to understand the scale. The scale is saying that 4 cm on the map is equal to 200 km in real life.
Next, you need to set up a proportion to find out what distance 6.2 cm on the map represents in real life.
The proportion is 4 cm/200 km = 6.2 cm/x km.
To solve for x, you can cross multiply and divide.
First, multiply 4 cm by x and 200 km by 6.2 cm.
That gives you 4x = 1240.
Then, divide both sides by 4 to solve for x.
x = 1240 / 4 = 310.
So, a 6.2 cm segment on the map represents 310 km in real life.
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