Home / 6,720.86-10,081.60-2,338.66

Finding the Fourth Proportional to 6,720.86, 10,081.60 and 2,338.66

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Solution

The fourth proportional to 6,720.86, 10,081.60 and 2,338.66 is: 3,508.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,720.86 : 10,081.60 = 2,338.66 : x
  2. Step 2: Convert to fraction form
    6,720.86/10,081.60 = 2,338.66/x
  3. Step 3: Cross multiply
    6,720.86x = 10,081.60 × 2,338.66
  4. Step 4: Simplify right side
    6,720.86x = 23,577,434.66
  5. Step 5: Solve for x
    x = 23,577,434.66/6,720.86
  6. Step 6: Final answer
    x = 3,508.10

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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.