Home / 5,200.43-7,177.05-2,961.83

Finding the Fourth Proportional to 5,200.43, 7,177.05 and 2,961.83

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Solution

The fourth proportional to 5,200.43, 7,177.05 and 2,961.83 is: 4,087.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,200.43 : 7,177.05 = 2,961.83 : x
  2. Step 2: Convert to fraction form
    5,200.43/7,177.05 = 2,961.83/x
  3. Step 3: Cross multiply
    5,200.43x = 7,177.05 × 2,961.83
  4. Step 4: Simplify right side
    5,200.43x = 21,257,219.94
  5. Step 5: Solve for x
    x = 21,257,219.94/5,200.43
  6. Step 6: Final answer
    x = 4,087.59

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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.