Home / 5,518.23-8,272.68-2,395.88

Finding the Fourth Proportional to 5,518.23, 8,272.68 and 2,395.88

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Solution

The fourth proportional to 5,518.23, 8,272.68 and 2,395.88 is: 3,591.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518.23 : 8,272.68 = 2,395.88 : x
  2. Step 2: Convert to fraction form
    5,518.23/8,272.68 = 2,395.88/x
  3. Step 3: Cross multiply
    5,518.23x = 8,272.68 × 2,395.88
  4. Step 4: Simplify right side
    5,518.23x = 19,820,295.22
  5. Step 5: Solve for x
    x = 19,820,295.22/5,518.23
  6. Step 6: Final answer
    x = 3,591.78

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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.