Home / 5,169.37-7,131.23-3,072.01

Finding the Fourth Proportional to 5,169.37, 7,131.23 and 3,072.01

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Solution

The fourth proportional to 5,169.37, 7,131.23 and 3,072.01 is: 4,237.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,169.37 : 7,131.23 = 3,072.01 : x
  2. Step 2: Convert to fraction form
    5,169.37/7,131.23 = 3,072.01/x
  3. Step 3: Cross multiply
    5,169.37x = 7,131.23 × 3,072.01
  4. Step 4: Simplify right side
    5,169.37x = 21,907,194.51
  5. Step 5: Solve for x
    x = 21,907,194.51/5,169.37
  6. Step 6: Final answer
    x = 4,237.88

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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.