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Finding the Fourth Proportional to 3,892.14, 5,826.69 and 2,521.26

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Solution

The fourth proportional to 3,892.14, 5,826.69 and 2,521.26 is: 3,774.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,892.14 : 5,826.69 = 2,521.26 : x
  2. Step 2: Convert to fraction form
    3,892.14/5,826.69 = 2,521.26/x
  3. Step 3: Cross multiply
    3,892.14x = 5,826.69 × 2,521.26
  4. Step 4: Simplify right side
    3,892.14x = 14,690,600.43
  5. Step 5: Solve for x
    x = 14,690,600.43/3,892.14
  6. Step 6: Final answer
    x = 3,774.43

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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.