Home / 2,247.57-3,101.62-1,252.83

Finding the Fourth Proportional to 2,247.57, 3,101.62 and 1,252.83

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Solution

The fourth proportional to 2,247.57, 3,101.62 and 1,252.83 is: 1,728.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.57 : 3,101.62 = 1,252.83 : x
  2. Step 2: Convert to fraction form
    2,247.57/3,101.62 = 1,252.83/x
  3. Step 3: Cross multiply
    2,247.57x = 3,101.62 × 1,252.83
  4. Step 4: Simplify right side
    2,247.57x = 3,885,783.74
  5. Step 5: Solve for x
    x = 3,885,783.74/2,247.57
  6. Step 6: Final answer
    x = 1,728.88

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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.