Home / 6,754.17-9,319.26-3,919.90

Finding the Fourth Proportional to 6,754.17, 9,319.26 and 3,919.90

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Solution

The fourth proportional to 6,754.17, 9,319.26 and 3,919.90 is: 5,408.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,754.17 : 9,319.26 = 3,919.90 : x
  2. Step 2: Convert to fraction form
    6,754.17/9,319.26 = 3,919.90/x
  3. Step 3: Cross multiply
    6,754.17x = 9,319.26 × 3,919.90
  4. Step 4: Simplify right side
    6,754.17x = 36,530,567.27
  5. Step 5: Solve for x
    x = 36,530,567.27/6,754.17
  6. Step 6: Final answer
    x = 5,408.59

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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.