Home / 5,162.38-7,741.58-2,198.95

Finding the Fourth Proportional to 5,162.38, 7,741.58 and 2,198.95

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Solution

The fourth proportional to 5,162.38, 7,741.58 and 2,198.95 is: 3,297.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,162.38 : 7,741.58 = 2,198.95 : x
  2. Step 2: Convert to fraction form
    5,162.38/7,741.58 = 2,198.95/x
  3. Step 3: Cross multiply
    5,162.38x = 7,741.58 × 2,198.95
  4. Step 4: Simplify right side
    5,162.38x = 17,023,316.99
  5. Step 5: Solve for x
    x = 17,023,316.99/5,162.38
  6. Step 6: Final answer
    x = 3,297.57

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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.