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Finding the Fourth Proportional to 3,728.00, 5,591.93 and 3,146.73

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Solution

The fourth proportional to 3,728.00, 5,591.93 and 3,146.73 is: 4,720.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,728.00 : 5,591.93 = 3,146.73 : x
  2. Step 2: Convert to fraction form
    3,728.00/5,591.93 = 3,146.73/x
  3. Step 3: Cross multiply
    3,728.00x = 5,591.93 × 3,146.73
  4. Step 4: Simplify right side
    3,728.00x = 17,596,278.16
  5. Step 5: Solve for x
    x = 17,596,278.16/3,728.00
  6. Step 6: Final answer
    x = 4,720.04

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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.