Home / 4,960.78-7,440.52-1,262.68

Finding the Fourth Proportional to 4,960.78, 7,440.52 and 1,262.68

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Solution

The fourth proportional to 4,960.78, 7,440.52 and 1,262.68 is: 1,893.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,960.78 : 7,440.52 = 1,262.68 : x
  2. Step 2: Convert to fraction form
    4,960.78/7,440.52 = 1,262.68/x
  3. Step 3: Cross multiply
    4,960.78x = 7,440.52 × 1,262.68
  4. Step 4: Simplify right side
    4,960.78x = 9,394,995.79
  5. Step 5: Solve for x
    x = 9,394,995.79/4,960.78
  6. Step 6: Final answer
    x = 1,893.85

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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.