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Finding the Fourth Proportional to 5,861.91, 8,092.64 and 3,983.52

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Solution

The fourth proportional to 5,861.91, 8,092.64 and 3,983.52 is: 5,499.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,861.91 : 8,092.64 = 3,983.52 : x
  2. Step 2: Convert to fraction form
    5,861.91/8,092.64 = 3,983.52/x
  3. Step 3: Cross multiply
    5,861.91x = 8,092.64 × 3,983.52
  4. Step 4: Simplify right side
    5,861.91x = 32,237,173.38
  5. Step 5: Solve for x
    x = 32,237,173.38/5,861.91
  6. Step 6: Final answer
    x = 5,499.43

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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.