Home / 5,540.25-7,645.49-3,182.41

Finding the Fourth Proportional to 5,540.25, 7,645.49 and 3,182.41

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Solution

The fourth proportional to 5,540.25, 7,645.49 and 3,182.41 is: 4,391.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540.25 : 7,645.49 = 3,182.41 : x
  2. Step 2: Convert to fraction form
    5,540.25/7,645.49 = 3,182.41/x
  3. Step 3: Cross multiply
    5,540.25x = 7,645.49 × 3,182.41
  4. Step 4: Simplify right side
    5,540.25x = 24,331,083.83
  5. Step 5: Solve for x
    x = 24,331,083.83/5,540.25
  6. Step 6: Final answer
    x = 4,391.69

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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.