Home / 2,334.62-3,221.75-1,272.44

Finding the Fourth Proportional to 2,334.62, 3,221.75 and 1,272.44

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Solution

The fourth proportional to 2,334.62, 3,221.75 and 1,272.44 is: 1,755.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,334.62 : 3,221.75 = 1,272.44 : x
  2. Step 2: Convert to fraction form
    2,334.62/3,221.75 = 1,272.44/x
  3. Step 3: Cross multiply
    2,334.62x = 3,221.75 × 1,272.44
  4. Step 4: Simplify right side
    2,334.62x = 4,099,470.64
  5. Step 5: Solve for x
    x = 4,099,470.64/2,334.62
  6. Step 6: Final answer
    x = 1,755.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.