Home / 3,379.52-5,060.99-2,790.92

Finding the Fourth Proportional to 3,379.52, 5,060.99 and 2,790.92

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Solution

The fourth proportional to 3,379.52, 5,060.99 and 2,790.92 is: 4,179.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379.52 : 5,060.99 = 2,790.92 : x
  2. Step 2: Convert to fraction form
    3,379.52/5,060.99 = 2,790.92/x
  3. Step 3: Cross multiply
    3,379.52x = 5,060.99 × 2,790.92
  4. Step 4: Simplify right side
    3,379.52x = 14,124,799.88
  5. Step 5: Solve for x
    x = 14,124,799.88/3,379.52
  6. Step 6: Final answer
    x = 4,179.53

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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.