Home / 3,901.52-5,384.10-2,222.99

Finding the Fourth Proportional to 3,901.52, 5,384.10 and 2,222.99

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Solution

The fourth proportional to 3,901.52, 5,384.10 and 2,222.99 is: 3,067.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,901.52 : 5,384.10 = 2,222.99 : x
  2. Step 2: Convert to fraction form
    3,901.52/5,384.10 = 2,222.99/x
  3. Step 3: Cross multiply
    3,901.52x = 5,384.10 × 2,222.99
  4. Step 4: Simplify right side
    3,901.52x = 11,968,800.46
  5. Step 5: Solve for x
    x = 11,968,800.46/3,901.52
  6. Step 6: Final answer
    x = 3,067.73

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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.