Home / 2,489.06-3,733.50-1,027.12

Finding the Fourth Proportional to 2,489.06, 3,733.50 and 1,027.12

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Solution

The fourth proportional to 2,489.06, 3,733.50 and 1,027.12 is: 1,540.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,489.06 : 3,733.50 = 1,027.12 : x
  2. Step 2: Convert to fraction form
    2,489.06/3,733.50 = 1,027.12/x
  3. Step 3: Cross multiply
    2,489.06x = 3,733.50 × 1,027.12
  4. Step 4: Simplify right side
    2,489.06x = 3,834,752.52
  5. Step 5: Solve for x
    x = 3,834,752.52/2,489.06
  6. Step 6: Final answer
    x = 1,540.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.