Home / 3,351.44-4,623.27-2,172.89

Finding the Fourth Proportional to 3,351.44, 4,623.27 and 2,172.89

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Solution

The fourth proportional to 3,351.44, 4,623.27 and 2,172.89 is: 2,997.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,351.44 : 4,623.27 = 2,172.89 : x
  2. Step 2: Convert to fraction form
    3,351.44/4,623.27 = 2,172.89/x
  3. Step 3: Cross multiply
    3,351.44x = 4,623.27 × 2,172.89
  4. Step 4: Simplify right side
    3,351.44x = 10,045,857.15
  5. Step 5: Solve for x
    x = 10,045,857.15/3,351.44
  6. Step 6: Final answer
    x = 2,997.47

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1.5x scale

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.