Home / 4,122.30-5,689.17-2,354.04

Finding the Fourth Proportional to 4,122.30, 5,689.17 and 2,354.04

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Solution

The fourth proportional to 4,122.30, 5,689.17 and 2,354.04 is: 3,248.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.30 : 5,689.17 = 2,354.04 : x
  2. Step 2: Convert to fraction form
    4,122.30/5,689.17 = 2,354.04/x
  3. Step 3: Cross multiply
    4,122.30x = 5,689.17 × 2,354.04
  4. Step 4: Simplify right side
    4,122.30x = 13,392,533.75
  5. Step 5: Solve for x
    x = 13,392,533.75/4,122.30
  6. Step 6: Final answer
    x = 3,248.80

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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.