Home / 4,531.72-6,255.48-3,899.92

Finding the Fourth Proportional to 4,531.72, 6,255.48 and 3,899.92

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Solution

The fourth proportional to 4,531.72, 6,255.48 and 3,899.92 is: 5,383.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,531.72 : 6,255.48 = 3,899.92 : x
  2. Step 2: Convert to fraction form
    4,531.72/6,255.48 = 3,899.92/x
  3. Step 3: Cross multiply
    4,531.72x = 6,255.48 × 3,899.92
  4. Step 4: Simplify right side
    4,531.72x = 24,395,871.56
  5. Step 5: Solve for x
    x = 24,395,871.56/4,531.72
  6. Step 6: Final answer
    x = 5,383.36

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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.