Home / 2,635.28-3,625.76-2,002.12

Finding the Fourth Proportional to 2,635.28, 3,625.76 and 2,002.12

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Solution

The fourth proportional to 2,635.28, 3,625.76 and 2,002.12 is: 2,754.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,635.28 : 3,625.76 = 2,002.12 : x
  2. Step 2: Convert to fraction form
    2,635.28/3,625.76 = 2,002.12/x
  3. Step 3: Cross multiply
    2,635.28x = 3,625.76 × 2,002.12
  4. Step 4: Simplify right side
    2,635.28x = 7,259,202.55
  5. Step 5: Solve for x
    x = 7,259,202.55/2,635.28
  6. Step 6: Final answer
    x = 2,754.62

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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.