Home / 5,221.97-7,206.47-2,864.26

Finding the Fourth Proportional to 5,221.97, 7,206.47 and 2,864.26

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Solution

The fourth proportional to 5,221.97, 7,206.47 and 2,864.26 is: 3,952.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221.97 : 7,206.47 = 2,864.26 : x
  2. Step 2: Convert to fraction form
    5,221.97/7,206.47 = 2,864.26/x
  3. Step 3: Cross multiply
    5,221.97x = 7,206.47 × 2,864.26
  4. Step 4: Simplify right side
    5,221.97x = 20,641,209.19
  5. Step 5: Solve for x
    x = 20,641,209.19/5,221.97
  6. Step 6: Final answer
    x = 3,952.76

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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.