Home / 3,872.17-5,343.60-2,548.25

Finding the Fourth Proportional to 3,872.17, 5,343.60 and 2,548.25

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Solution

The fourth proportional to 3,872.17, 5,343.60 and 2,548.25 is: 3,516.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,872.17 : 5,343.60 = 2,548.25 : x
  2. Step 2: Convert to fraction form
    3,872.17/5,343.60 = 2,548.25/x
  3. Step 3: Cross multiply
    3,872.17x = 5,343.60 × 2,548.25
  4. Step 4: Simplify right side
    3,872.17x = 13,616,801.98
  5. Step 5: Solve for x
    x = 13,616,801.98/3,872.17
  6. Step 6: Final answer
    x = 3,516.59

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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.