Home / 6,450.16-9,676.50-2,067.28

Finding the Fourth Proportional to 6,450.16, 9,676.50 and 2,067.28

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Solution

The fourth proportional to 6,450.16, 9,676.50 and 2,067.28 is: 3,101.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,450.16 : 9,676.50 = 2,067.28 : x
  2. Step 2: Convert to fraction form
    6,450.16/9,676.50 = 2,067.28/x
  3. Step 3: Cross multiply
    6,450.16x = 9,676.50 × 2,067.28
  4. Step 4: Simplify right side
    6,450.16x = 20,004,034.92
  5. Step 5: Solve for x
    x = 20,004,034.92/6,450.16
  6. Step 6: Final answer
    x = 3,101.32

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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.