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Finding the Fourth Proportional to 3,972.04, 5,958.10 and 1,198.73

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Solution

The fourth proportional to 3,972.04, 5,958.10 and 1,198.73 is: 1,798.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.04 : 5,958.10 = 1,198.73 : x
  2. Step 2: Convert to fraction form
    3,972.04/5,958.10 = 1,198.73/x
  3. Step 3: Cross multiply
    3,972.04x = 5,958.10 × 1,198.73
  4. Step 4: Simplify right side
    3,972.04x = 7,142,165.11
  5. Step 5: Solve for x
    x = 7,142,165.11/3,972.04
  6. Step 6: Final answer
    x = 1,798.11

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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.