Home / 5,540.49-7,645.78-3,022.62

Finding the Fourth Proportional to 5,540.49, 7,645.78 and 3,022.62

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Solution

The fourth proportional to 5,540.49, 7,645.78 and 3,022.62 is: 4,171.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540.49 : 7,645.78 = 3,022.62 : x
  2. Step 2: Convert to fraction form
    5,540.49/7,645.78 = 3,022.62/x
  3. Step 3: Cross multiply
    5,540.49x = 7,645.78 × 3,022.62
  4. Step 4: Simplify right side
    5,540.49x = 23,110,287.54
  5. Step 5: Solve for x
    x = 23,110,287.54/5,540.49
  6. Step 6: Final answer
    x = 4,171.16

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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.