Home / 3,727.39-5,581.11-1,968.76

Finding the Fourth Proportional to 3,727.39, 5,581.11 and 1,968.76

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Solution

The fourth proportional to 3,727.39, 5,581.11 and 1,968.76 is: 2,947.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,727.39 : 5,581.11 = 1,968.76 : x
  2. Step 2: Convert to fraction form
    3,727.39/5,581.11 = 1,968.76/x
  3. Step 3: Cross multiply
    3,727.39x = 5,581.11 × 1,968.76
  4. Step 4: Simplify right side
    3,727.39x = 10,987,866.12
  5. Step 5: Solve for x
    x = 10,987,866.12/3,727.39
  6. Step 6: Final answer
    x = 2,947.87

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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.