Home / 6,890.27-10,331.75-2,730.11

Finding the Fourth Proportional to 6,890.27, 10,331.75 and 2,730.11

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Solution

The fourth proportional to 6,890.27, 10,331.75 and 2,730.11 is: 4,093.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,890.27 : 10,331.75 = 2,730.11 : x
  2. Step 2: Convert to fraction form
    6,890.27/10,331.75 = 2,730.11/x
  3. Step 3: Cross multiply
    6,890.27x = 10,331.75 × 2,730.11
  4. Step 4: Simplify right side
    6,890.27x = 28,206,769.16
  5. Step 5: Solve for x
    x = 28,206,769.16/6,890.27
  6. Step 6: Final answer
    x = 4,093.71

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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.