Home / 6,781.01-10,166.66-3,081.34

Finding the Fourth Proportional to 6,781.01, 10,166.66 and 3,081.34

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Solution

The fourth proportional to 6,781.01, 10,166.66 and 3,081.34 is: 4,619.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,781.01 : 10,166.66 = 3,081.34 : x
  2. Step 2: Convert to fraction form
    6,781.01/10,166.66 = 3,081.34/x
  3. Step 3: Cross multiply
    6,781.01x = 10,166.66 × 3,081.34
  4. Step 4: Simplify right side
    6,781.01x = 31,326,869.88
  5. Step 5: Solve for x
    x = 31,326,869.88/6,781.01
  6. Step 6: Final answer
    x = 4,619.79

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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.