Home / 2,026.18-3,039.89-727.35

Finding the Fourth Proportional to 2,026.18, 3,039.89 and 727.35

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Solution

The fourth proportional to 2,026.18, 3,039.89 and 727.35 is: 1,091.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,026.18 : 3,039.89 = 727.35 : x
  2. Step 2: Convert to fraction form
    2,026.18/3,039.89 = 727.35/x
  3. Step 3: Cross multiply
    2,026.18x = 3,039.89 × 727.35
  4. Step 4: Simplify right side
    2,026.18x = 2,211,063.99
  5. Step 5: Solve for x
    x = 2,211,063.99/2,026.18
  6. Step 6: Final answer
    x = 1,091.25

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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.