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Finding the Fourth Proportional to 3,709.75, 5,560.30 and 2,249.86

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Solution

The fourth proportional to 3,709.75, 5,560.30 and 2,249.86 is: 3,372.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,709.75 : 5,560.30 = 2,249.86 : x
  2. Step 2: Convert to fraction form
    3,709.75/5,560.30 = 2,249.86/x
  3. Step 3: Cross multiply
    3,709.75x = 5,560.30 × 2,249.86
  4. Step 4: Simplify right side
    3,709.75x = 12,509,877.03
  5. Step 5: Solve for x
    x = 12,509,877.03/3,709.75
  6. Step 6: Final answer
    x = 3,372.16

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1.5x scale

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.