Home / 5,481.97-7,565.15-3,124.28

Finding the Fourth Proportional to 5,481.97, 7,565.15 and 3,124.28

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Solution

The fourth proportional to 5,481.97, 7,565.15 and 3,124.28 is: 4,311.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,481.97 : 7,565.15 = 3,124.28 : x
  2. Step 2: Convert to fraction form
    5,481.97/7,565.15 = 3,124.28/x
  3. Step 3: Cross multiply
    5,481.97x = 7,565.15 × 3,124.28
  4. Step 4: Simplify right side
    5,481.97x = 23,635,646.84
  5. Step 5: Solve for x
    x = 23,635,646.84/5,481.97
  6. Step 6: Final answer
    x = 4,311.52

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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.