Home / 5,920.97-8,878.55-3,456.41

Finding the Fourth Proportional to 5,920.97, 8,878.55 and 3,456.41

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Solution

The fourth proportional to 5,920.97, 8,878.55 and 3,456.41 is: 5,182.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920.97 : 8,878.55 = 3,456.41 : x
  2. Step 2: Convert to fraction form
    5,920.97/8,878.55 = 3,456.41/x
  3. Step 3: Cross multiply
    5,920.97x = 8,878.55 × 3,456.41
  4. Step 4: Simplify right side
    5,920.97x = 30,687,847.33
  5. Step 5: Solve for x
    x = 30,687,847.33/5,920.97
  6. Step 6: Final answer
    x = 5,182.91

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1.5x scale

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.