Home / 3,860.60-5,327.48-2,092.17

Finding the Fourth Proportional to 3,860.60, 5,327.48 and 2,092.17

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Solution

The fourth proportional to 3,860.60, 5,327.48 and 2,092.17 is: 2,887.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860.60 : 5,327.48 = 2,092.17 : x
  2. Step 2: Convert to fraction form
    3,860.60/5,327.48 = 2,092.17/x
  3. Step 3: Cross multiply
    3,860.60x = 5,327.48 × 2,092.17
  4. Step 4: Simplify right side
    3,860.60x = 11,145,993.83
  5. Step 5: Solve for x
    x = 11,145,993.83/3,860.60
  6. Step 6: Final answer
    x = 2,887.11

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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.