Home / 7,178.87-10,763.10-2,245.83

Finding the Fourth Proportional to 7,178.87, 10,763.10 and 2,245.83

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Solution

The fourth proportional to 7,178.87, 10,763.10 and 2,245.83 is: 3,367.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,178.87 : 10,763.10 = 2,245.83 : x
  2. Step 2: Convert to fraction form
    7,178.87/10,763.10 = 2,245.83/x
  3. Step 3: Cross multiply
    7,178.87x = 10,763.10 × 2,245.83
  4. Step 4: Simplify right side
    7,178.87x = 24,172,092.87
  5. Step 5: Solve for x
    x = 24,172,092.87/7,178.87
  6. Step 6: Final answer
    x = 3,367.12

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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.