Home / 7,743.91-11,617.55-2,549.59

Finding the Fourth Proportional to 7,743.91, 11,617.55 and 2,549.59

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Solution

The fourth proportional to 7,743.91, 11,617.55 and 2,549.59 is: 3,824.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,743.91 : 11,617.55 = 2,549.59 : x
  2. Step 2: Convert to fraction form
    7,743.91/11,617.55 = 2,549.59/x
  3. Step 3: Cross multiply
    7,743.91x = 11,617.55 × 2,549.59
  4. Step 4: Simplify right side
    7,743.91x = 29,619,989.30
  5. Step 5: Solve for x
    x = 29,619,989.30/7,743.91
  6. Step 6: Final answer
    x = 3,824.94

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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.