Home / 2,247.66-3,101.57-1,252.92

Finding the Fourth Proportional to 2,247.66, 3,101.57 and 1,252.92

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Solution

The fourth proportional to 2,247.66, 3,101.57 and 1,252.92 is: 1,728.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.66 : 3,101.57 = 1,252.92 : x
  2. Step 2: Convert to fraction form
    2,247.66/3,101.57 = 1,252.92/x
  3. Step 3: Cross multiply
    2,247.66x = 3,101.57 × 1,252.92
  4. Step 4: Simplify right side
    2,247.66x = 3,886,019.08
  5. Step 5: Solve for x
    x = 3,886,019.08/2,247.66
  6. Step 6: Final answer
    x = 1,728.92

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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.