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Finding the Fourth Proportional to 2,793.62, 4,190.87 and 1,149.73

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Solution

The fourth proportional to 2,793.62, 4,190.87 and 1,149.73 is: 1,724.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,793.62 : 4,190.87 = 1,149.73 : x
  2. Step 2: Convert to fraction form
    2,793.62/4,190.87 = 1,149.73/x
  3. Step 3: Cross multiply
    2,793.62x = 4,190.87 × 1,149.73
  4. Step 4: Simplify right side
    2,793.62x = 4,818,361.36
  5. Step 5: Solve for x
    x = 4,818,361.36/2,793.62
  6. Step 6: Final answer
    x = 1,724.77

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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.