Home / 3,414.72-5,121.12-2,326.08

Finding the Fourth Proportional to 3,414.72, 5,121.12 and 2,326.08

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Solution

The fourth proportional to 3,414.72, 5,121.12 and 2,326.08 is: 3,488.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,414.72 : 5,121.12 = 2,326.08 : x
  2. Step 2: Convert to fraction form
    3,414.72/5,121.12 = 2,326.08/x
  3. Step 3: Cross multiply
    3,414.72x = 5,121.12 × 2,326.08
  4. Step 4: Simplify right side
    3,414.72x = 11,912,134.81
  5. Step 5: Solve for x
    x = 11,912,134.81/3,414.72
  6. Step 6: Final answer
    x = 3,488.47

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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.