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Finding the Fourth Proportional to 3,673.88, 5,077.02 and 2,731.04

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Solution

The fourth proportional to 3,673.88, 5,077.02 and 2,731.04 is: 3,774.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,673.88 : 5,077.02 = 2,731.04 : x
  2. Step 2: Convert to fraction form
    3,673.88/5,077.02 = 2,731.04/x
  3. Step 3: Cross multiply
    3,673.88x = 5,077.02 × 2,731.04
  4. Step 4: Simplify right side
    3,673.88x = 13,865,544.70
  5. Step 5: Solve for x
    x = 13,865,544.70/3,673.88
  6. Step 6: Final answer
    x = 3,774.09

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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.