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Finding the Fourth Proportional to 2,598.91, 3,912.25 and 2,331

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Solution

The fourth proportional to 2,598.91, 3,912.25 and 2,331 is: 3,508.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,598.91 : 3,912.25 = 2,331 : x
  2. Step 2: Convert to fraction form
    2,598.91/3,912.25 = 2,331/x
  3. Step 3: Cross multiply
    2,598.91x = 3,912.25 × 2,331
  4. Step 4: Simplify right side
    2,598.91x = 9,119,454.75
  5. Step 5: Solve for x
    x = 9,119,454.75/2,598.91
  6. Step 6: Final answer
    x = 3,508.95

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.