Home / 3,445.03-4,754.17-2,028.78

Finding the Fourth Proportional to 3,445.03, 4,754.17 and 2,028.78

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Solution

The fourth proportional to 3,445.03, 4,754.17 and 2,028.78 is: 2,799.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445.03 : 4,754.17 = 2,028.78 : x
  2. Step 2: Convert to fraction form
    3,445.03/4,754.17 = 2,028.78/x
  3. Step 3: Cross multiply
    3,445.03x = 4,754.17 × 2,028.78
  4. Step 4: Simplify right side
    3,445.03x = 9,645,165.01
  5. Step 5: Solve for x
    x = 9,645,165.01/3,445.03
  6. Step 6: Final answer
    x = 2,799.73

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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.