Home / 4,935.07-7,399.68-1,647.28

Finding the Fourth Proportional to 4,935.07, 7,399.68 and 1,647.28

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Solution

The fourth proportional to 4,935.07, 7,399.68 and 1,647.28 is: 2,469.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,935.07 : 7,399.68 = 1,647.28 : x
  2. Step 2: Convert to fraction form
    4,935.07/7,399.68 = 1,647.28/x
  3. Step 3: Cross multiply
    4,935.07x = 7,399.68 × 1,647.28
  4. Step 4: Simplify right side
    4,935.07x = 12,189,344.87
  5. Step 5: Solve for x
    x = 12,189,344.87/4,935.07
  6. Step 6: Final answer
    x = 2,469.94

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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.