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Finding the Fourth Proportional to 3,972.70, 5,957.21 and 1,473.79

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Solution

The fourth proportional to 3,972.70, 5,957.21 and 1,473.79 is: 2,210.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.70 : 5,957.21 = 1,473.79 : x
  2. Step 2: Convert to fraction form
    3,972.70/5,957.21 = 1,473.79/x
  3. Step 3: Cross multiply
    3,972.70x = 5,957.21 × 1,473.79
  4. Step 4: Simplify right side
    3,972.70x = 8,779,654.26
  5. Step 5: Solve for x
    x = 8,779,654.26/3,972.70
  6. Step 6: Final answer
    x = 2,210.00

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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.