Home / 3,863.92-5,332.17-2,095.51

Finding the Fourth Proportional to 3,863.92, 5,332.17 and 2,095.51

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Solution

The fourth proportional to 3,863.92, 5,332.17 and 2,095.51 is: 2,891.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,863.92 : 5,332.17 = 2,095.51 : x
  2. Step 2: Convert to fraction form
    3,863.92/5,332.17 = 2,095.51/x
  3. Step 3: Cross multiply
    3,863.92x = 5,332.17 × 2,095.51
  4. Step 4: Simplify right side
    3,863.92x = 11,173,615.56
  5. Step 5: Solve for x
    x = 11,173,615.56/3,863.92
  6. Step 6: Final answer
    x = 2,891.78

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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.