Home / 6,286.52-8,675.49-3,453.80

Finding the Fourth Proportional to 6,286.52, 8,675.49 and 3,453.80

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Solution

The fourth proportional to 6,286.52, 8,675.49 and 3,453.80 is: 4,766.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,286.52 : 8,675.49 = 3,453.80 : x
  2. Step 2: Convert to fraction form
    6,286.52/8,675.49 = 3,453.80/x
  3. Step 3: Cross multiply
    6,286.52x = 8,675.49 × 3,453.80
  4. Step 4: Simplify right side
    6,286.52x = 29,963,407.36
  5. Step 5: Solve for x
    x = 29,963,407.36/6,286.52
  6. Step 6: Final answer
    x = 4,766.29

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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.