Home / 5,695.92-7,861.13-3,572.02

Finding the Fourth Proportional to 5,695.92, 7,861.13 and 3,572.02

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Solution

The fourth proportional to 5,695.92, 7,861.13 and 3,572.02 is: 4,929.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,695.92 : 7,861.13 = 3,572.02 : x
  2. Step 2: Convert to fraction form
    5,695.92/7,861.13 = 3,572.02/x
  3. Step 3: Cross multiply
    5,695.92x = 7,861.13 × 3,572.02
  4. Step 4: Simplify right side
    5,695.92x = 28,080,131.01
  5. Step 5: Solve for x
    x = 28,080,131.01/5,695.92
  6. Step 6: Final answer
    x = 4,929.87

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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.