Home / 5,691.42-8,529.39-2,764.26

Finding the Fourth Proportional to 5,691.42, 8,529.39 and 2,764.26

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Solution

The fourth proportional to 5,691.42, 8,529.39 and 2,764.26 is: 4,142.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,691.42 : 8,529.39 = 2,764.26 : x
  2. Step 2: Convert to fraction form
    5,691.42/8,529.39 = 2,764.26/x
  3. Step 3: Cross multiply
    5,691.42x = 8,529.39 × 2,764.26
  4. Step 4: Simplify right side
    5,691.42x = 23,577,451.60
  5. Step 5: Solve for x
    x = 23,577,451.60/5,691.42
  6. Step 6: Final answer
    x = 4,142.63

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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.