Home / 7,661.43-11,481.51-3,491.25

Finding the Fourth Proportional to 7,661.43, 11,481.51 and 3,491.25

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Solution

The fourth proportional to 7,661.43, 11,481.51 and 3,491.25 is: 5,232.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,661.43 : 11,481.51 = 3,491.25 : x
  2. Step 2: Convert to fraction form
    7,661.43/11,481.51 = 3,491.25/x
  3. Step 3: Cross multiply
    7,661.43x = 11,481.51 × 3,491.25
  4. Step 4: Simplify right side
    7,661.43x = 40,084,791.82
  5. Step 5: Solve for x
    x = 40,084,791.82/7,661.43
  6. Step 6: Final answer
    x = 5,232.02

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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.