Home / 4,114.25-5,680.62-3,715.13

Finding the Fourth Proportional to 4,114.25, 5,680.62 and 3,715.13

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Solution

The fourth proportional to 4,114.25, 5,680.62 and 3,715.13 is: 5,129.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,114.25 : 5,680.62 = 3,715.13 : x
  2. Step 2: Convert to fraction form
    4,114.25/5,680.62 = 3,715.13/x
  3. Step 3: Cross multiply
    4,114.25x = 5,680.62 × 3,715.13
  4. Step 4: Simplify right side
    4,114.25x = 21,104,213.38
  5. Step 5: Solve for x
    x = 21,104,213.38/4,114.25
  6. Step 6: Final answer
    x = 5,129.55

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Half scale
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Double scale
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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.