Home / 5,198.77-7,790.86-3,463.75

Finding the Fourth Proportional to 5,198.77, 7,790.86 and 3,463.75

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Solution

The fourth proportional to 5,198.77, 7,790.86 and 3,463.75 is: 5,190.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,198.77 : 7,790.86 = 3,463.75 : x
  2. Step 2: Convert to fraction form
    5,198.77/7,790.86 = 3,463.75/x
  3. Step 3: Cross multiply
    5,198.77x = 7,790.86 × 3,463.75
  4. Step 4: Simplify right side
    5,198.77x = 26,985,591.33
  5. Step 5: Solve for x
    x = 26,985,591.33/5,198.77
  6. Step 6: Final answer
    x = 5,190.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.