Home / 5,540.30-7,644.86-3,182.44

Finding the Fourth Proportional to 5,540.30, 7,644.86 and 3,182.44

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Solution

The fourth proportional to 5,540.30, 7,644.86 and 3,182.44 is: 4,391.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540.30 : 7,644.86 = 3,182.44 : x
  2. Step 2: Convert to fraction form
    5,540.30/7,644.86 = 3,182.44/x
  3. Step 3: Cross multiply
    5,540.30x = 7,644.86 × 3,182.44
  4. Step 4: Simplify right side
    5,540.30x = 24,329,290.55
  5. Step 5: Solve for x
    x = 24,329,290.55/5,540.30
  6. Step 6: Final answer
    x = 4,391.33

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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.