Home / 5,221.73-7,206.17-2,863.92

Finding the Fourth Proportional to 5,221.73, 7,206.17 and 2,863.92

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Solution

The fourth proportional to 5,221.73, 7,206.17 and 2,863.92 is: 3,952.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221.73 : 7,206.17 = 2,863.92 : x
  2. Step 2: Convert to fraction form
    5,221.73/7,206.17 = 2,863.92/x
  3. Step 3: Cross multiply
    5,221.73x = 7,206.17 × 2,863.92
  4. Step 4: Simplify right side
    5,221.73x = 20,637,907.09
  5. Step 5: Solve for x
    x = 20,637,907.09/5,221.73
  6. Step 6: Final answer
    x = 3,952.31

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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.