Home / 3,715.16-5,572.38-2,680.04

Finding the Fourth Proportional to 3,715.16, 5,572.38 and 2,680.04

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Solution

The fourth proportional to 3,715.16, 5,572.38 and 2,680.04 is: 4,019.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,715.16 : 5,572.38 = 2,680.04 : x
  2. Step 2: Convert to fraction form
    3,715.16/5,572.38 = 2,680.04/x
  3. Step 3: Cross multiply
    3,715.16x = 5,572.38 × 2,680.04
  4. Step 4: Simplify right side
    3,715.16x = 14,934,201.30
  5. Step 5: Solve for x
    x = 14,934,201.30/3,715.16
  6. Step 6: Final answer
    x = 4,019.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.