Home / 5,197.78-7,790.73-2,235.25

Finding the Fourth Proportional to 5,197.78, 7,790.73 and 2,235.25

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Solution

The fourth proportional to 5,197.78, 7,790.73 and 2,235.25 is: 3,350.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,197.78 : 7,790.73 = 2,235.25 : x
  2. Step 2: Convert to fraction form
    5,197.78/7,790.73 = 2,235.25/x
  3. Step 3: Cross multiply
    5,197.78x = 7,790.73 × 2,235.25
  4. Step 4: Simplify right side
    5,197.78x = 17,414,229.23
  5. Step 5: Solve for x
    x = 17,414,229.23/5,197.78
  6. Step 6: Final answer
    x = 3,350.32

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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.