Home / 5,360.85-8,048.16-4,129.11

Finding the Fourth Proportional to 5,360.85, 8,048.16 and 4,129.11

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Solution

The fourth proportional to 5,360.85, 8,048.16 and 4,129.11 is: 6,198.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,360.85 : 8,048.16 = 4,129.11 : x
  2. Step 2: Convert to fraction form
    5,360.85/8,048.16 = 4,129.11/x
  3. Step 3: Cross multiply
    5,360.85x = 8,048.16 × 4,129.11
  4. Step 4: Simplify right side
    5,360.85x = 33,231,737.94
  5. Step 5: Solve for x
    x = 33,231,737.94/5,360.85
  6. Step 6: Final answer
    x = 6,198.97

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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.