Home / 3,239.91-4,472.43-2,192.58

Finding the Fourth Proportional to 3,239.91, 4,472.43 and 2,192.58

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Solution

The fourth proportional to 3,239.91, 4,472.43 and 2,192.58 is: 3,026.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,239.91 : 4,472.43 = 2,192.58 : x
  2. Step 2: Convert to fraction form
    3,239.91/4,472.43 = 2,192.58/x
  3. Step 3: Cross multiply
    3,239.91x = 4,472.43 × 2,192.58
  4. Step 4: Simplify right side
    3,239.91x = 9,806,160.57
  5. Step 5: Solve for x
    x = 9,806,160.57/3,239.91
  6. Step 6: Final answer
    x = 3,026.68

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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.