Home / 3,213.17-4,431.48-2,548.97

Finding the Fourth Proportional to 3,213.17, 4,431.48 and 2,548.97

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Solution

The fourth proportional to 3,213.17, 4,431.48 and 2,548.97 is: 3,515.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.17 : 4,431.48 = 2,548.97 : x
  2. Step 2: Convert to fraction form
    3,213.17/4,431.48 = 2,548.97/x
  3. Step 3: Cross multiply
    3,213.17x = 4,431.48 × 2,548.97
  4. Step 4: Simplify right side
    3,213.17x = 11,295,709.58
  5. Step 5: Solve for x
    x = 11,295,709.58/3,213.17
  6. Step 6: Final answer
    x = 3,515.44

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1.5x scale

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.