Home / 5,131.19-7,694.06-2,663.53

Finding the Fourth Proportional to 5,131.19, 7,694.06 and 2,663.53

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Solution

The fourth proportional to 5,131.19, 7,694.06 and 2,663.53 is: 3,993.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,131.19 : 7,694.06 = 2,663.53 : x
  2. Step 2: Convert to fraction form
    5,131.19/7,694.06 = 2,663.53/x
  3. Step 3: Cross multiply
    5,131.19x = 7,694.06 × 2,663.53
  4. Step 4: Simplify right side
    5,131.19x = 20,493,327.08
  5. Step 5: Solve for x
    x = 20,493,327.08/5,131.19
  6. Step 6: Final answer
    x = 3,993.87

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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.