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Finding the Fourth Proportional to 3,960.34, 5,944.16 and 3,722.20

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Solution

The fourth proportional to 3,960.34, 5,944.16 and 3,722.20 is: 5,586.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960.34 : 5,944.16 = 3,722.20 : x
  2. Step 2: Convert to fraction form
    3,960.34/5,944.16 = 3,722.20/x
  3. Step 3: Cross multiply
    3,960.34x = 5,944.16 × 3,722.20
  4. Step 4: Simplify right side
    3,960.34x = 22,125,352.35
  5. Step 5: Solve for x
    x = 22,125,352.35/3,960.34
  6. Step 6: Final answer
    x = 5,586.73

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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.