Home / 4,078.14-6,117.62-1,481.28

Finding the Fourth Proportional to 4,078.14, 6,117.62 and 1,481.28

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Solution

The fourth proportional to 4,078.14, 6,117.62 and 1,481.28 is: 2,222.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.14 : 6,117.62 = 1,481.28 : x
  2. Step 2: Convert to fraction form
    4,078.14/6,117.62 = 1,481.28/x
  3. Step 3: Cross multiply
    4,078.14x = 6,117.62 × 1,481.28
  4. Step 4: Simplify right side
    4,078.14x = 9,061,900.75
  5. Step 5: Solve for x
    x = 9,061,900.75/4,078.14
  6. Step 6: Final answer
    x = 2,222.07

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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.