Home / 3,268.71-4,508.55-2,149.29

Finding the Fourth Proportional to 3,268.71, 4,508.55 and 2,149.29

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Solution

The fourth proportional to 3,268.71, 4,508.55 and 2,149.29 is: 2,964.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,268.71 : 4,508.55 = 2,149.29 : x
  2. Step 2: Convert to fraction form
    3,268.71/4,508.55 = 2,149.29/x
  3. Step 3: Cross multiply
    3,268.71x = 4,508.55 × 2,149.29
  4. Step 4: Simplify right side
    3,268.71x = 9,690,181.43
  5. Step 5: Solve for x
    x = 9,690,181.43/3,268.71
  6. Step 6: Final answer
    x = 2,964.53

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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.