Home / 5,356.20-8,039.50-2,584.83

Finding the Fourth Proportional to 5,356.20, 8,039.50 and 2,584.83

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Solution

The fourth proportional to 5,356.20, 8,039.50 and 2,584.83 is: 3,879.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,356.20 : 8,039.50 = 2,584.83 : x
  2. Step 2: Convert to fraction form
    5,356.20/8,039.50 = 2,584.83/x
  3. Step 3: Cross multiply
    5,356.20x = 8,039.50 × 2,584.83
  4. Step 4: Simplify right side
    5,356.20x = 20,780,713.87
  5. Step 5: Solve for x
    x = 20,780,713.87/5,356.20
  6. Step 6: Final answer
    x = 3,879.75

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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.