Home / 6,748.86-10,120.05-3,826.38

Finding the Fourth Proportional to 6,748.86, 10,120.05 and 3,826.38

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Solution

The fourth proportional to 6,748.86, 10,120.05 and 3,826.38 is: 5,737.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,748.86 : 10,120.05 = 3,826.38 : x
  2. Step 2: Convert to fraction form
    6,748.86/10,120.05 = 3,826.38/x
  3. Step 3: Cross multiply
    6,748.86x = 10,120.05 × 3,826.38
  4. Step 4: Simplify right side
    6,748.86x = 38,723,156.92
  5. Step 5: Solve for x
    x = 38,723,156.92/6,748.86
  6. Step 6: Final answer
    x = 5,737.73

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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.