Home / 2,026.20-3,039.30-727.14

Finding the Fourth Proportional to 2,026.20, 3,039.30 and 727.14

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Solution

The fourth proportional to 2,026.20, 3,039.30 and 727.14 is: 1,090.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,026.20 : 3,039.30 = 727.14 : x
  2. Step 2: Convert to fraction form
    2,026.20/3,039.30 = 727.14/x
  3. Step 3: Cross multiply
    2,026.20x = 3,039.30 × 727.14
  4. Step 4: Simplify right side
    2,026.20x = 2,209,996.60
  5. Step 5: Solve for x
    x = 2,209,996.60/2,026.20
  6. Step 6: Final answer
    x = 1,090.71

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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.