Home / 2,232.23-3,080.79-1,447.61

Finding the Fourth Proportional to 2,232.23, 3,080.79 and 1,447.61

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Solution

The fourth proportional to 2,232.23, 3,080.79 and 1,447.61 is: 1,997.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,232.23 : 3,080.79 = 1,447.61 : x
  2. Step 2: Convert to fraction form
    2,232.23/3,080.79 = 1,447.61/x
  3. Step 3: Cross multiply
    2,232.23x = 3,080.79 × 1,447.61
  4. Step 4: Simplify right side
    2,232.23x = 4,459,767.01
  5. Step 5: Solve for x
    x = 4,459,767.01/2,232.23
  6. Step 6: Final answer
    x = 1,997.90

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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.