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Finding the Fourth Proportional to 3,998.59, 5,512.12 and 2,582.17

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Solution

The fourth proportional to 3,998.59, 5,512.12 and 2,582.17 is: 3,559.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,998.59 : 5,512.12 = 2,582.17 : x
  2. Step 2: Convert to fraction form
    3,998.59/5,512.12 = 2,582.17/x
  3. Step 3: Cross multiply
    3,998.59x = 5,512.12 × 2,582.17
  4. Step 4: Simplify right side
    3,998.59x = 14,233,230.90
  5. Step 5: Solve for x
    x = 14,233,230.90/3,998.59
  6. Step 6: Final answer
    x = 3,559.56

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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.