Home / 7,975.30-11,962.04-2,132.37

Finding the Fourth Proportional to 7,975.30, 11,962.04 and 2,132.37

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Solution

The fourth proportional to 7,975.30, 11,962.04 and 2,132.37 is: 3,198.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,975.30 : 11,962.04 = 2,132.37 : x
  2. Step 2: Convert to fraction form
    7,975.30/11,962.04 = 2,132.37/x
  3. Step 3: Cross multiply
    7,975.30x = 11,962.04 × 2,132.37
  4. Step 4: Simplify right side
    7,975.30x = 25,507,495.65
  5. Step 5: Solve for x
    x = 25,507,495.65/7,975.30
  6. Step 6: Final answer
    x = 3,198.31

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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.