Home / 6,081.31-8,392.11-3,428.73

Finding the Fourth Proportional to 6,081.31, 8,392.11 and 3,428.73

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Solution

The fourth proportional to 6,081.31, 8,392.11 and 3,428.73 is: 4,731.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,081.31 : 8,392.11 = 3,428.73 : x
  2. Step 2: Convert to fraction form
    6,081.31/8,392.11 = 3,428.73/x
  3. Step 3: Cross multiply
    6,081.31x = 8,392.11 × 3,428.73
  4. Step 4: Simplify right side
    6,081.31x = 28,774,266.46
  5. Step 5: Solve for x
    x = 28,774,266.46/6,081.31
  6. Step 6: Final answer
    x = 4,731.59

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Half scale
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Double scale
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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.