Home / 3,587.14-5,380.72-2,028.60

Finding the Fourth Proportional to 3,587.14, 5,380.72 and 2,028.60

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Solution

The fourth proportional to 3,587.14, 5,380.72 and 2,028.60 is: 3,042.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587.14 : 5,380.72 = 2,028.60 : x
  2. Step 2: Convert to fraction form
    3,587.14/5,380.72 = 2,028.60/x
  3. Step 3: Cross multiply
    3,587.14x = 5,380.72 × 2,028.60
  4. Step 4: Simplify right side
    3,587.14x = 10,915,328.59
  5. Step 5: Solve for x
    x = 10,915,328.59/3,587.14
  6. Step 6: Final answer
    x = 3,042.91

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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.