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Finding the Fourth Proportional to 3,691.00, 5,539.13 and 2,048.86

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Solution

The fourth proportional to 3,691.00, 5,539.13 and 2,048.86 is: 3,074.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,691.00 : 5,539.13 = 2,048.86 : x
  2. Step 2: Convert to fraction form
    3,691.00/5,539.13 = 2,048.86/x
  3. Step 3: Cross multiply
    3,691.00x = 5,539.13 × 2,048.86
  4. Step 4: Simplify right side
    3,691.00x = 11,348,863.95
  5. Step 5: Solve for x
    x = 11,348,863.95/3,691.00
  6. Step 6: Final answer
    x = 3,074.74

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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.