Home / 5,220.73-7,204.61-2,862.92

Finding the Fourth Proportional to 5,220.73, 7,204.61 and 2,862.92

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Solution

The fourth proportional to 5,220.73, 7,204.61 and 2,862.92 is: 3,950.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220.73 : 7,204.61 = 2,862.92 : x
  2. Step 2: Convert to fraction form
    5,220.73/7,204.61 = 2,862.92/x
  3. Step 3: Cross multiply
    5,220.73x = 7,204.61 × 2,862.92
  4. Step 4: Simplify right side
    5,220.73x = 20,626,189.74
  5. Step 5: Solve for x
    x = 20,626,189.74/5,220.73
  6. Step 6: Final answer
    x = 3,950.83

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Half scale
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Double scale
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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.