Home / 2,057.35-3,083.79-1,132.75

Finding the Fourth Proportional to 2,057.35, 3,083.79 and 1,132.75

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Solution

The fourth proportional to 2,057.35, 3,083.79 and 1,132.75 is: 1,697.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,057.35 : 3,083.79 = 1,132.75 : x
  2. Step 2: Convert to fraction form
    2,057.35/3,083.79 = 1,132.75/x
  3. Step 3: Cross multiply
    2,057.35x = 3,083.79 × 1,132.75
  4. Step 4: Simplify right side
    2,057.35x = 3,493,163.12
  5. Step 5: Solve for x
    x = 3,493,163.12/2,057.35
  6. Step 6: Final answer
    x = 1,697.89

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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.