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Finding the Fourth Proportional to 3,952.02, 5,928.03 and 2,221.86

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Solution

The fourth proportional to 3,952.02, 5,928.03 and 2,221.86 is: 3,332.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,952.02 : 5,928.03 = 2,221.86 : x
  2. Step 2: Convert to fraction form
    3,952.02/5,928.03 = 2,221.86/x
  3. Step 3: Cross multiply
    3,952.02x = 5,928.03 × 2,221.86
  4. Step 4: Simplify right side
    3,952.02x = 13,171,252.74
  5. Step 5: Solve for x
    x = 13,171,252.74/3,952.02
  6. Step 6: Final answer
    x = 3,332.79

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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.