Home / 4,629.76-6,940.84-2,163.36

Finding the Fourth Proportional to 4,629.76, 6,940.84 and 2,163.36

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Solution

The fourth proportional to 4,629.76, 6,940.84 and 2,163.36 is: 3,243.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,629.76 : 6,940.84 = 2,163.36 : x
  2. Step 2: Convert to fraction form
    4,629.76/6,940.84 = 2,163.36/x
  3. Step 3: Cross multiply
    4,629.76x = 6,940.84 × 2,163.36
  4. Step 4: Simplify right side
    4,629.76x = 15,015,535.62
  5. Step 5: Solve for x
    x = 15,015,535.62/4,629.76
  6. Step 6: Final answer
    x = 3,243.26

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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.