Home / 6,078.80-9,120.93-3,481.73

Finding the Fourth Proportional to 6,078.80, 9,120.93 and 3,481.73

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Solution

The fourth proportional to 6,078.80, 9,120.93 and 3,481.73 is: 5,224.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,078.80 : 9,120.93 = 3,481.73 : x
  2. Step 2: Convert to fraction form
    6,078.80/9,120.93 = 3,481.73/x
  3. Step 3: Cross multiply
    6,078.80x = 9,120.93 × 3,481.73
  4. Step 4: Simplify right side
    6,078.80x = 31,756,652.25
  5. Step 5: Solve for x
    x = 31,756,652.25/6,078.80
  6. Step 6: Final answer
    x = 5,224.17

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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.