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Finding the Fourth Proportional to 2,757.92, 4,136.88 and 1,197.73

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Solution

The fourth proportional to 2,757.92, 4,136.88 and 1,197.73 is: 1,796.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,757.92 : 4,136.88 = 1,197.73 : x
  2. Step 2: Convert to fraction form
    2,757.92/4,136.88 = 1,197.73/x
  3. Step 3: Cross multiply
    2,757.92x = 4,136.88 × 1,197.73
  4. Step 4: Simplify right side
    2,757.92x = 4,954,854.94
  5. Step 5: Solve for x
    x = 4,954,854.94/2,757.92
  6. Step 6: Final answer
    x = 1,796.59

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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.