Home / 4,092.12-6,138.18-1,900.56

Finding the Fourth Proportional to 4,092.12, 6,138.18 and 1,900.56

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Solution

The fourth proportional to 4,092.12, 6,138.18 and 1,900.56 is: 2,850.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,092.12 : 6,138.18 = 1,900.56 : x
  2. Step 2: Convert to fraction form
    4,092.12/6,138.18 = 1,900.56/x
  3. Step 3: Cross multiply
    4,092.12x = 6,138.18 × 1,900.56
  4. Step 4: Simplify right side
    4,092.12x = 11,665,979.38
  5. Step 5: Solve for x
    x = 11,665,979.38/4,092.12
  6. Step 6: Final answer
    x = 2,850.84

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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.