Home / 5,379.86-8,067.76-2,092.54

Finding the Fourth Proportional to 5,379.86, 8,067.76 and 2,092.54

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Solution

The fourth proportional to 5,379.86, 8,067.76 and 2,092.54 is: 3,138.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,379.86 : 8,067.76 = 2,092.54 : x
  2. Step 2: Convert to fraction form
    5,379.86/8,067.76 = 2,092.54/x
  3. Step 3: Cross multiply
    5,379.86x = 8,067.76 × 2,092.54
  4. Step 4: Simplify right side
    5,379.86x = 16,882,110.51
  5. Step 5: Solve for x
    x = 16,882,110.51/5,379.86
  6. Step 6: Final answer
    x = 3,138.02

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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.