Home / 4,942.49-6,821.25-3,242.43

Finding the Fourth Proportional to 4,942.49, 6,821.25 and 3,242.43

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Solution

The fourth proportional to 4,942.49, 6,821.25 and 3,242.43 is: 4,474.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,942.49 : 6,821.25 = 3,242.43 : x
  2. Step 2: Convert to fraction form
    4,942.49/6,821.25 = 3,242.43/x
  3. Step 3: Cross multiply
    4,942.49x = 6,821.25 × 3,242.43
  4. Step 4: Simplify right side
    4,942.49x = 22,117,425.64
  5. Step 5: Solve for x
    x = 22,117,425.64/4,942.49
  6. Step 6: Final answer
    x = 4,474.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.