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Finding the Fourth Proportional to 3,867.36, 5,801.04 and 3,702.12

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Solution

The fourth proportional to 3,867.36, 5,801.04 and 3,702.12 is: 5,553.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,867.36 : 5,801.04 = 3,702.12 : x
  2. Step 2: Convert to fraction form
    3,867.36/5,801.04 = 3,702.12/x
  3. Step 3: Cross multiply
    3,867.36x = 5,801.04 × 3,702.12
  4. Step 4: Simplify right side
    3,867.36x = 21,476,146.20
  5. Step 5: Solve for x
    x = 21,476,146.20/3,867.36
  6. Step 6: Final answer
    x = 5,553.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.