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Finding the Fourth Proportional to 3,860.66, 5,327.66 and 2,092.25

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Solution

The fourth proportional to 3,860.66, 5,327.66 and 2,092.25 is: 2,887.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860.66 : 5,327.66 = 2,092.25 : x
  2. Step 2: Convert to fraction form
    3,860.66/5,327.66 = 2,092.25/x
  3. Step 3: Cross multiply
    3,860.66x = 5,327.66 × 2,092.25
  4. Step 4: Simplify right side
    3,860.66x = 11,146,815.18
  5. Step 5: Solve for x
    x = 11,146,815.18/3,860.66
  6. Step 6: Final answer
    x = 2,887.28

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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.