Home / 6,122.25-9,180-3,624.48

Finding the Fourth Proportional to 6,122.25, 9,180 and 3,624.48

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Solution

The fourth proportional to 6,122.25, 9,180 and 3,624.48 is: 5,434.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,122.25 : 9,180 = 3,624.48 : x
  2. Step 2: Convert to fraction form
    6,122.25/9,180 = 3,624.48/x
  3. Step 3: Cross multiply
    6,122.25x = 9,180 × 3,624.48
  4. Step 4: Simplify right side
    6,122.25x = 33,272,726.40
  5. Step 5: Solve for x
    x = 33,272,726.40/6,122.25
  6. Step 6: Final answer
    x = 5,434.72

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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.