Home / 7,720.92-11,582.40-2,525.04

Finding the Fourth Proportional to 7,720.92, 11,582.40 and 2,525.04

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Solution

The fourth proportional to 7,720.92, 11,582.40 and 2,525.04 is: 3,787.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,720.92 : 11,582.40 = 2,525.04 : x
  2. Step 2: Convert to fraction form
    7,720.92/11,582.40 = 2,525.04/x
  3. Step 3: Cross multiply
    7,720.92x = 11,582.40 × 2,525.04
  4. Step 4: Simplify right side
    7,720.92x = 29,246,023.30
  5. Step 5: Solve for x
    x = 29,246,023.30/7,720.92
  6. Step 6: Final answer
    x = 3,787.89

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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.