Home / 2,025.12-3,037.40-791.66

Finding the Fourth Proportional to 2,025.12, 3,037.40 and 791.66

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Solution

The fourth proportional to 2,025.12, 3,037.40 and 791.66 is: 1,187.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,025.12 : 3,037.40 = 791.66 : x
  2. Step 2: Convert to fraction form
    2,025.12/3,037.40 = 791.66/x
  3. Step 3: Cross multiply
    2,025.12x = 3,037.40 × 791.66
  4. Step 4: Simplify right side
    2,025.12x = 2,404,588.08
  5. Step 5: Solve for x
    x = 2,404,588.08/2,025.12
  6. Step 6: Final answer
    x = 1,187.38

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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.