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Finding the Fourth Proportional to 3,892.32, 5,834.70 and 2,590.92

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Solution

The fourth proportional to 3,892.32, 5,834.70 and 2,590.92 is: 3,883.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,892.32 : 5,834.70 = 2,590.92 : x
  2. Step 2: Convert to fraction form
    3,892.32/5,834.70 = 2,590.92/x
  3. Step 3: Cross multiply
    3,892.32x = 5,834.70 × 2,590.92
  4. Step 4: Simplify right side
    3,892.32x = 15,117,240.92
  5. Step 5: Solve for x
    x = 15,117,240.92/3,892.32
  6. Step 6: Final answer
    x = 3,883.86

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1.5x scale

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.