Home / 6,455.25-9,685.85-2,558.61

Finding the Fourth Proportional to 6,455.25, 9,685.85 and 2,558.61

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Solution

The fourth proportional to 6,455.25, 9,685.85 and 2,558.61 is: 3,839.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,455.25 : 9,685.85 = 2,558.61 : x
  2. Step 2: Convert to fraction form
    6,455.25/9,685.85 = 2,558.61/x
  3. Step 3: Cross multiply
    6,455.25x = 9,685.85 × 2,558.61
  4. Step 4: Simplify right side
    6,455.25x = 24,782,299.88
  5. Step 5: Solve for x
    x = 24,782,299.88/6,455.25
  6. Step 6: Final answer
    x = 3,839.09

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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.