Home / 5,691.44-8,540.39-1,996.41

Finding the Fourth Proportional to 5,691.44, 8,540.39 and 1,996.41

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Solution

The fourth proportional to 5,691.44, 8,540.39 and 1,996.41 is: 2,995.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,691.44 : 8,540.39 = 1,996.41 : x
  2. Step 2: Convert to fraction form
    5,691.44/8,540.39 = 1,996.41/x
  3. Step 3: Cross multiply
    5,691.44x = 8,540.39 × 1,996.41
  4. Step 4: Simplify right side
    5,691.44x = 17,050,110.02
  5. Step 5: Solve for x
    x = 17,050,110.02/5,691.44
  6. Step 6: Final answer
    x = 2,995.75

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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.