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Finding the Fourth Proportional to 3,773.98, 5,208.06 and 2,447.65

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Solution

The fourth proportional to 3,773.98, 5,208.06 and 2,447.65 is: 3,377.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,773.98 : 5,208.06 = 2,447.65 : x
  2. Step 2: Convert to fraction form
    3,773.98/5,208.06 = 2,447.65/x
  3. Step 3: Cross multiply
    3,773.98x = 5,208.06 × 2,447.65
  4. Step 4: Simplify right side
    3,773.98x = 12,747,508.06
  5. Step 5: Solve for x
    x = 12,747,508.06/3,773.98
  6. Step 6: Final answer
    x = 3,377.74

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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.