Home / 6,930.56-10,400.18-2,769.95

Finding the Fourth Proportional to 6,930.56, 10,400.18 and 2,769.95

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Solution

The fourth proportional to 6,930.56, 10,400.18 and 2,769.95 is: 4,156.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,930.56 : 10,400.18 = 2,769.95 : x
  2. Step 2: Convert to fraction form
    6,930.56/10,400.18 = 2,769.95/x
  3. Step 3: Cross multiply
    6,930.56x = 10,400.18 × 2,769.95
  4. Step 4: Simplify right side
    6,930.56x = 28,807,912.74
  5. Step 5: Solve for x
    x = 28,807,912.74/6,930.56
  6. Step 6: Final answer
    x = 4,156.65

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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.