Home / 5,962.45-8,231.97-3,838.78

Finding the Fourth Proportional to 5,962.45, 8,231.97 and 3,838.78

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Solution

The fourth proportional to 5,962.45, 8,231.97 and 3,838.78 is: 5,299.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,962.45 : 8,231.97 = 3,838.78 : x
  2. Step 2: Convert to fraction form
    5,962.45/8,231.97 = 3,838.78/x
  3. Step 3: Cross multiply
    5,962.45x = 8,231.97 × 3,838.78
  4. Step 4: Simplify right side
    5,962.45x = 31,600,721.80
  5. Step 5: Solve for x
    x = 31,600,721.80/5,962.45
  6. Step 6: Final answer
    x = 5,299.96

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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.