Home / 3,158.26-4,758.78-2,622.44

Finding the Fourth Proportional to 3,158.26, 4,758.78 and 2,622.44

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Solution

The fourth proportional to 3,158.26, 4,758.78 and 2,622.44 is: 3,951.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.26 : 4,758.78 = 2,622.44 : x
  2. Step 2: Convert to fraction form
    3,158.26/4,758.78 = 2,622.44/x
  3. Step 3: Cross multiply
    3,158.26x = 4,758.78 × 2,622.44
  4. Step 4: Simplify right side
    3,158.26x = 12,479,636.75
  5. Step 5: Solve for x
    x = 12,479,636.75/3,158.26
  6. Step 6: Final answer
    x = 3,951.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.