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Finding the Fourth Proportional to 5,695.92, 7,861.14 and 3,339

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Solution

The fourth proportional to 5,695.92, 7,861.14 and 3,339 is: 4,608.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,695.92 : 7,861.14 = 3,339 : x
  2. Step 2: Convert to fraction form
    5,695.92/7,861.14 = 3,339/x
  3. Step 3: Cross multiply
    5,695.92x = 7,861.14 × 3,339
  4. Step 4: Simplify right side
    5,695.92x = 26,248,346.46
  5. Step 5: Solve for x
    x = 26,248,346.46/5,695.92
  6. Step 6: Final answer
    x = 4,608.27

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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.