Home / 7,418.24-11,131.68-2,741.54

Finding the Fourth Proportional to 7,418.24, 11,131.68 and 2,741.54

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Solution

The fourth proportional to 7,418.24, 11,131.68 and 2,741.54 is: 4,113.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,418.24 : 11,131.68 = 2,741.54 : x
  2. Step 2: Convert to fraction form
    7,418.24/11,131.68 = 2,741.54/x
  3. Step 3: Cross multiply
    7,418.24x = 11,131.68 × 2,741.54
  4. Step 4: Simplify right side
    7,418.24x = 30,517,945.99
  5. Step 5: Solve for x
    x = 30,517,945.99/7,418.24
  6. Step 6: Final answer
    x = 4,113.91

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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.