Home / 6,173.66-8,519.78-3,654.85

Finding the Fourth Proportional to 6,173.66, 8,519.78 and 3,654.85

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Solution

The fourth proportional to 6,173.66, 8,519.78 and 3,654.85 is: 5,043.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,173.66 : 8,519.78 = 3,654.85 : x
  2. Step 2: Convert to fraction form
    6,173.66/8,519.78 = 3,654.85/x
  3. Step 3: Cross multiply
    6,173.66x = 8,519.78 × 3,654.85
  4. Step 4: Simplify right side
    6,173.66x = 31,138,517.93
  5. Step 5: Solve for x
    x = 31,138,517.93/6,173.66
  6. Step 6: Final answer
    x = 5,043.77

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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.