Finding the Fourth Proportional to 5,175,523.94, 7,142,252.29 and 3,001,357.98
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Solution
The fourth proportional to 5,175,523.94, 7,142,252.29 and 3,001,357.98 is: 4,141,890.98
Step by Step Solution
- Step 1: Write the proportion equation
5,175,523.94 : 7,142,252.29 = 3,001,357.98 : x - Step 2: Convert to fraction form
5,175,523.94/7,142,252.29 = 3,001,357.98/x - Step 3: Cross multiply
5,175,523.94x = 7,142,252.29 × 3,001,357.98 - Step 4: Simplify right side
5,175,523.94x = 21,436,455,898,261.38 - Step 5: Solve for x
x = 21,436,455,898,261.38/5,175,523.94 - Step 6: Final answer
x = 4,141,890.98
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.