Home / 5,926.41-8,178.90-3,836.61

Finding the Fourth Proportional to 5,926.41, 8,178.90 and 3,836.61

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Solution

The fourth proportional to 5,926.41, 8,178.90 and 3,836.61 is: 5,294.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,926.41 : 8,178.90 = 3,836.61 : x
  2. Step 2: Convert to fraction form
    5,926.41/8,178.90 = 3,836.61/x
  3. Step 3: Cross multiply
    5,926.41x = 8,178.90 × 3,836.61
  4. Step 4: Simplify right side
    5,926.41x = 31,379,249.53
  5. Step 5: Solve for x
    x = 31,379,249.53/5,926.41
  6. Step 6: Final answer
    x = 5,294.82

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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.