Home / 2,247.52-3,101.81-1,351.55

Finding the Fourth Proportional to 2,247.52, 3,101.81 and 1,351.55

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Solution

The fourth proportional to 2,247.52, 3,101.81 and 1,351.55 is: 1,865.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.52 : 3,101.81 = 1,351.55 : x
  2. Step 2: Convert to fraction form
    2,247.52/3,101.81 = 1,351.55/x
  3. Step 3: Cross multiply
    2,247.52x = 3,101.81 × 1,351.55
  4. Step 4: Simplify right side
    2,247.52x = 4,192,229.04
  5. Step 5: Solve for x
    x = 4,192,229.04/2,247.52
  6. Step 6: Final answer
    x = 1,865.27

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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.