Home / 5,620.97-7,757.88-5,371.85

Finding the Fourth Proportional to 5,620.97, 7,757.88 and 5,371.85

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Solution

The fourth proportional to 5,620.97, 7,757.88 and 5,371.85 is: 7,414.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,620.97 : 7,757.88 = 5,371.85 : x
  2. Step 2: Convert to fraction form
    5,620.97/7,757.88 = 5,371.85/x
  3. Step 3: Cross multiply
    5,620.97x = 7,757.88 × 5,371.85
  4. Step 4: Simplify right side
    5,620.97x = 41,674,166.93
  5. Step 5: Solve for x
    x = 41,674,166.93/5,620.97
  6. Step 6: Final answer
    x = 7,414.05

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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.