Home / 6,168.26-8,512.22-3,515.78

Finding the Fourth Proportional to 6,168.26, 8,512.22 and 3,515.78

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Solution

The fourth proportional to 6,168.26, 8,512.22 and 3,515.78 is: 4,851.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,168.26 : 8,512.22 = 3,515.78 : x
  2. Step 2: Convert to fraction form
    6,168.26/8,512.22 = 3,515.78/x
  3. Step 3: Cross multiply
    6,168.26x = 8,512.22 × 3,515.78
  4. Step 4: Simplify right side
    6,168.26x = 29,927,092.83
  5. Step 5: Solve for x
    x = 29,927,092.83/6,168.26
  6. Step 6: Final answer
    x = 4,851.79

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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.