Home / 6,257.20-8,634.10-3,568.78

Finding the Fourth Proportional to 6,257.20, 8,634.10 and 3,568.78

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Solution

The fourth proportional to 6,257.20, 8,634.10 and 3,568.78 is: 4,924.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,257.20 : 8,634.10 = 3,568.78 : x
  2. Step 2: Convert to fraction form
    6,257.20/8,634.10 = 3,568.78/x
  3. Step 3: Cross multiply
    6,257.20x = 8,634.10 × 3,568.78
  4. Step 4: Simplify right side
    6,257.20x = 30,813,203.40
  5. Step 5: Solve for x
    x = 30,813,203.40/6,257.20
  6. Step 6: Final answer
    x = 4,924.44

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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.