Home / 4,081.52-6,115.80-3,106.48

Finding the Fourth Proportional to 4,081.52, 6,115.80 and 3,106.48

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Solution

The fourth proportional to 4,081.52, 6,115.80 and 3,106.48 is: 4,654.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.52 : 6,115.80 = 3,106.48 : x
  2. Step 2: Convert to fraction form
    4,081.52/6,115.80 = 3,106.48/x
  3. Step 3: Cross multiply
    4,081.52x = 6,115.80 × 3,106.48
  4. Step 4: Simplify right side
    4,081.52x = 18,998,610.38
  5. Step 5: Solve for x
    x = 18,998,610.38/4,081.52
  6. Step 6: Final answer
    x = 4,654.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.