Home / 2,028.75-3,043.09-1,110.15

Finding the Fourth Proportional to 2,028.75, 3,043.09 and 1,110.15

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Solution

The fourth proportional to 2,028.75, 3,043.09 and 1,110.15 is: 1,665.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028.75 : 3,043.09 = 1,110.15 : x
  2. Step 2: Convert to fraction form
    2,028.75/3,043.09 = 1,110.15/x
  3. Step 3: Cross multiply
    2,028.75x = 3,043.09 × 1,110.15
  4. Step 4: Simplify right side
    2,028.75x = 3,378,265.60
  5. Step 5: Solve for x
    x = 3,378,265.60/2,028.75
  6. Step 6: Final answer
    x = 1,665.20

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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.