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Finding the Fourth Proportional to 3,951.68, 5,926.15 and 2,199.36

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Solution

The fourth proportional to 3,951.68, 5,926.15 and 2,199.36 is: 3,298.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,951.68 : 5,926.15 = 2,199.36 : x
  2. Step 2: Convert to fraction form
    3,951.68/5,926.15 = 2,199.36/x
  3. Step 3: Cross multiply
    3,951.68x = 5,926.15 × 2,199.36
  4. Step 4: Simplify right side
    3,951.68x = 13,033,726.27
  5. Step 5: Solve for x
    x = 13,033,726.27/3,951.68
  6. Step 6: Final answer
    x = 3,298.27

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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.