Home / 3,255.21-4,494.78-3,006.43

Finding the Fourth Proportional to 3,255.21, 4,494.78 and 3,006.43

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Solution

The fourth proportional to 3,255.21, 4,494.78 and 3,006.43 is: 4,151.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.21 : 4,494.78 = 3,006.43 : x
  2. Step 2: Convert to fraction form
    3,255.21/4,494.78 = 3,006.43/x
  3. Step 3: Cross multiply
    3,255.21x = 4,494.78 × 3,006.43
  4. Step 4: Simplify right side
    3,255.21x = 13,513,241.44
  5. Step 5: Solve for x
    x = 13,513,241.44/3,255.21
  6. Step 6: Final answer
    x = 4,151.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.