Home / 7,355.92-11,033.97-2,161.90

Finding the Fourth Proportional to 7,355.92, 11,033.97 and 2,161.90

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Solution

The fourth proportional to 7,355.92, 11,033.97 and 2,161.90 is: 3,242.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,355.92 : 11,033.97 = 2,161.90 : x
  2. Step 2: Convert to fraction form
    7,355.92/11,033.97 = 2,161.90/x
  3. Step 3: Cross multiply
    7,355.92x = 11,033.97 × 2,161.90
  4. Step 4: Simplify right side
    7,355.92x = 23,854,339.74
  5. Step 5: Solve for x
    x = 23,854,339.74/7,355.92
  6. Step 6: Final answer
    x = 3,242.88

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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.