Home / 7,743.80-11,617.42-2,549.32

Finding the Fourth Proportional to 7,743.80, 11,617.42 and 2,549.32

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Solution

The fourth proportional to 7,743.80, 11,617.42 and 2,549.32 is: 3,824.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,743.80 : 11,617.42 = 2,549.32 : x
  2. Step 2: Convert to fraction form
    7,743.80/11,617.42 = 2,549.32/x
  3. Step 3: Cross multiply
    7,743.80x = 11,617.42 × 2,549.32
  4. Step 4: Simplify right side
    7,743.80x = 29,616,521.15
  5. Step 5: Solve for x
    x = 29,616,521.15/7,743.80
  6. Step 6: Final answer
    x = 3,824.55

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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.