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Finding the Fourth Proportional to 3,198.92, 4,795.46 and 2,708.49

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Solution

The fourth proportional to 3,198.92, 4,795.46 and 2,708.49 is: 4,060.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.92 : 4,795.46 = 2,708.49 : x
  2. Step 2: Convert to fraction form
    3,198.92/4,795.46 = 2,708.49/x
  3. Step 3: Cross multiply
    3,198.92x = 4,795.46 × 2,708.49
  4. Step 4: Simplify right side
    3,198.92x = 12,988,468.73
  5. Step 5: Solve for x
    x = 12,988,468.73/3,198.92
  6. Step 6: Final answer
    x = 4,060.26

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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.