Home / 3,901.32-5,384.17-2,222.36

Finding the Fourth Proportional to 3,901.32, 5,384.17 and 2,222.36

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Solution

The fourth proportional to 3,901.32, 5,384.17 and 2,222.36 is: 3,067.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,901.32 : 5,384.17 = 2,222.36 : x
  2. Step 2: Convert to fraction form
    3,901.32/5,384.17 = 2,222.36/x
  3. Step 3: Cross multiply
    3,901.32x = 5,384.17 × 2,222.36
  4. Step 4: Simplify right side
    3,901.32x = 11,965,564.04
  5. Step 5: Solve for x
    x = 11,965,564.04/3,901.32
  6. Step 6: Final answer
    x = 3,067.06

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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.