Home / 6,255.56-8,631.50-3,867.62

Finding the Fourth Proportional to 6,255.56, 8,631.50 and 3,867.62

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Solution

The fourth proportional to 6,255.56, 8,631.50 and 3,867.62 is: 5,336.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,255.56 : 8,631.50 = 3,867.62 : x
  2. Step 2: Convert to fraction form
    6,255.56/8,631.50 = 3,867.62/x
  3. Step 3: Cross multiply
    6,255.56x = 8,631.50 × 3,867.62
  4. Step 4: Simplify right side
    6,255.56x = 33,383,299.53
  5. Step 5: Solve for x
    x = 33,383,299.53/6,255.56
  6. Step 6: Final answer
    x = 5,336.58

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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.