Home / 3,765.17-5,200.20-2,568.12

Finding the Fourth Proportional to 3,765.17, 5,200.20 and 2,568.12

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Solution

The fourth proportional to 3,765.17, 5,200.20 and 2,568.12 is: 3,546.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,765.17 : 5,200.20 = 2,568.12 : x
  2. Step 2: Convert to fraction form
    3,765.17/5,200.20 = 2,568.12/x
  3. Step 3: Cross multiply
    3,765.17x = 5,200.20 × 2,568.12
  4. Step 4: Simplify right side
    3,765.17x = 13,354,705.20
  5. Step 5: Solve for x
    x = 13,354,705.20/3,765.17
  6. Step 6: Final answer
    x = 3,546.90

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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.