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Finding the Fourth Proportional to 3,773.55, 5,209.56 and 2,281.86

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Solution

The fourth proportional to 3,773.55, 5,209.56 and 2,281.86 is: 3,150.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,773.55 : 5,209.56 = 2,281.86 : x
  2. Step 2: Convert to fraction form
    3,773.55/5,209.56 = 2,281.86/x
  3. Step 3: Cross multiply
    3,773.55x = 5,209.56 × 2,281.86
  4. Step 4: Simplify right side
    3,773.55x = 11,887,486.58
  5. Step 5: Solve for x
    x = 11,887,486.58/3,773.55
  6. Step 6: Final answer
    x = 3,150.21

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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.