Home / 5,193.91-7,167.55-2,836

Finding the Fourth Proportional to 5,193.91, 7,167.55 and 2,836

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Solution

The fourth proportional to 5,193.91, 7,167.55 and 2,836 is: 3,913.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,193.91 : 7,167.55 = 2,836 : x
  2. Step 2: Convert to fraction form
    5,193.91/7,167.55 = 2,836/x
  3. Step 3: Cross multiply
    5,193.91x = 7,167.55 × 2,836
  4. Step 4: Simplify right side
    5,193.91x = 20,327,171.80
  5. Step 5: Solve for x
    x = 20,327,171.80/5,193.91
  6. Step 6: Final answer
    x = 3,913.65

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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.