Home / 3,732.69-5,151.83-2,160.75

Finding the Fourth Proportional to 3,732.69, 5,151.83 and 2,160.75

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Solution

The fourth proportional to 3,732.69, 5,151.83 and 2,160.75 is: 2,982.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,732.69 : 5,151.83 = 2,160.75 : x
  2. Step 2: Convert to fraction form
    3,732.69/5,151.83 = 2,160.75/x
  3. Step 3: Cross multiply
    3,732.69x = 5,151.83 × 2,160.75
  4. Step 4: Simplify right side
    3,732.69x = 11,131,805.87
  5. Step 5: Solve for x
    x = 11,131,805.87/3,732.69
  6. Step 6: Final answer
    x = 2,982.25

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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.