Home / 5,398.48-7,449.62-3,040.47

Finding the Fourth Proportional to 5,398.48, 7,449.62 and 3,040.47

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Solution

The fourth proportional to 5,398.48, 7,449.62 and 3,040.47 is: 4,195.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,398.48 : 7,449.62 = 3,040.47 : x
  2. Step 2: Convert to fraction form
    5,398.48/7,449.62 = 3,040.47/x
  3. Step 3: Cross multiply
    5,398.48x = 7,449.62 × 3,040.47
  4. Step 4: Simplify right side
    5,398.48x = 22,650,338.52
  5. Step 5: Solve for x
    x = 22,650,338.52/5,398.48
  6. Step 6: Final answer
    x = 4,195.69

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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.