Home / 5,842.55-8,767.49-2,379.80

Finding the Fourth Proportional to 5,842.55, 8,767.49 and 2,379.80

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Solution

The fourth proportional to 5,842.55, 8,767.49 and 2,379.80 is: 3,571.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,842.55 : 8,767.49 = 2,379.80 : x
  2. Step 2: Convert to fraction form
    5,842.55/8,767.49 = 2,379.80/x
  3. Step 3: Cross multiply
    5,842.55x = 8,767.49 × 2,379.80
  4. Step 4: Simplify right side
    5,842.55x = 20,864,816.97
  5. Step 5: Solve for x
    x = 20,864,816.97/5,842.55
  6. Step 6: Final answer
    x = 3,571.19

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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.