Home / 6,722.54-10,082.73-2,105.54

Finding the Fourth Proportional to 6,722.54, 10,082.73 and 2,105.54

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Solution

The fourth proportional to 6,722.54, 10,082.73 and 2,105.54 is: 3,157.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,722.54 : 10,082.73 = 2,105.54 : x
  2. Step 2: Convert to fraction form
    6,722.54/10,082.73 = 2,105.54/x
  3. Step 3: Cross multiply
    6,722.54x = 10,082.73 × 2,105.54
  4. Step 4: Simplify right side
    6,722.54x = 21,229,591.32
  5. Step 5: Solve for x
    x = 21,229,591.32/6,722.54
  6. Step 6: Final answer
    x = 3,157.97

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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.