Home / 6,456.64-9,682.94-2,073.12

Finding the Fourth Proportional to 6,456.64, 9,682.94 and 2,073.12

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Solution

The fourth proportional to 6,456.64, 9,682.94 and 2,073.12 is: 3,109.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,456.64 : 9,682.94 = 2,073.12 : x
  2. Step 2: Convert to fraction form
    6,456.64/9,682.94 = 2,073.12/x
  3. Step 3: Cross multiply
    6,456.64x = 9,682.94 × 2,073.12
  4. Step 4: Simplify right side
    6,456.64x = 20,073,896.57
  5. Step 5: Solve for x
    x = 20,073,896.57/6,456.64
  6. Step 6: Final answer
    x = 3,109.03

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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.