Home / 2,092.12-3,137.67-1,052.75

Finding the Fourth Proportional to 2,092.12, 3,137.67 and 1,052.75

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Solution

The fourth proportional to 2,092.12, 3,137.67 and 1,052.75 is: 1,578.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,092.12 : 3,137.67 = 1,052.75 : x
  2. Step 2: Convert to fraction form
    2,092.12/3,137.67 = 1,052.75/x
  3. Step 3: Cross multiply
    2,092.12x = 3,137.67 × 1,052.75
  4. Step 4: Simplify right side
    2,092.12x = 3,303,189.94
  5. Step 5: Solve for x
    x = 3,303,189.94/2,092.12
  6. Step 6: Final answer
    x = 1,578.87

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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.