Home / 5,398.33-7,449.69-3,040.42

Finding the Fourth Proportional to 5,398.33, 7,449.69 and 3,040.42

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Solution

The fourth proportional to 5,398.33, 7,449.69 and 3,040.42 is: 4,195.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,398.33 : 7,449.69 = 3,040.42 : x
  2. Step 2: Convert to fraction form
    5,398.33/7,449.69 = 3,040.42/x
  3. Step 3: Cross multiply
    5,398.33x = 7,449.69 × 3,040.42
  4. Step 4: Simplify right side
    5,398.33x = 22,650,186.47
  5. Step 5: Solve for x
    x = 22,650,186.47/5,398.33
  6. Step 6: Final answer
    x = 4,195.78

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1.5x scale

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.