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Finding the Fourth Proportional to 3,859.96, 5,329.38 and 2,464.60

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Solution

The fourth proportional to 3,859.96, 5,329.38 and 2,464.60 is: 3,402.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,859.96 : 5,329.38 = 2,464.60 : x
  2. Step 2: Convert to fraction form
    3,859.96/5,329.38 = 2,464.60/x
  3. Step 3: Cross multiply
    3,859.96x = 5,329.38 × 2,464.60
  4. Step 4: Simplify right side
    3,859.96x = 13,134,789.95
  5. Step 5: Solve for x
    x = 13,134,789.95/3,859.96
  6. Step 6: Final answer
    x = 3,402.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.