Home / 4,115.80-6,174.68-1,342.49

Finding the Fourth Proportional to 4,115.80, 6,174.68 and 1,342.49

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Solution

The fourth proportional to 4,115.80, 6,174.68 and 1,342.49 is: 2,014.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115.80 : 6,174.68 = 1,342.49 : x
  2. Step 2: Convert to fraction form
    4,115.80/6,174.68 = 1,342.49/x
  3. Step 3: Cross multiply
    4,115.80x = 6,174.68 × 1,342.49
  4. Step 4: Simplify right side
    4,115.80x = 8,289,446.15
  5. Step 5: Solve for x
    x = 8,289,446.15/4,115.80
  6. Step 6: Final answer
    x = 2,014.05

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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.