Home / 5,272.11-7,905.42-2,150.37

Finding the Fourth Proportional to 5,272.11, 7,905.42 and 2,150.37

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Solution

The fourth proportional to 5,272.11, 7,905.42 and 2,150.37 is: 3,224.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.11 : 7,905.42 = 2,150.37 : x
  2. Step 2: Convert to fraction form
    5,272.11/7,905.42 = 2,150.37/x
  3. Step 3: Cross multiply
    5,272.11x = 7,905.42 × 2,150.37
  4. Step 4: Simplify right side
    5,272.11x = 16,999,578.01
  5. Step 5: Solve for x
    x = 16,999,578.01/5,272.11
  6. Step 6: Final answer
    x = 3,224.44

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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.