Home / 4,028.22-5,560.84-2,702.78

Finding the Fourth Proportional to 4,028.22, 5,560.84 and 2,702.78

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Solution

The fourth proportional to 4,028.22, 5,560.84 and 2,702.78 is: 3,731.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,028.22 : 5,560.84 = 2,702.78 : x
  2. Step 2: Convert to fraction form
    4,028.22/5,560.84 = 2,702.78/x
  3. Step 3: Cross multiply
    4,028.22x = 5,560.84 × 2,702.78
  4. Step 4: Simplify right side
    4,028.22x = 15,029,727.14
  5. Step 5: Solve for x
    x = 15,029,727.14/4,028.22
  6. Step 6: Final answer
    x = 3,731.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.