Home / 7,192.80-10,786.32-2,573.28

Finding the Fourth Proportional to 7,192.80, 10,786.32 and 2,573.28

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Solution

The fourth proportional to 7,192.80, 10,786.32 and 2,573.28 is: 3,858.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,192.80 : 10,786.32 = 2,573.28 : x
  2. Step 2: Convert to fraction form
    7,192.80/10,786.32 = 2,573.28/x
  3. Step 3: Cross multiply
    7,192.80x = 10,786.32 × 2,573.28
  4. Step 4: Simplify right side
    7,192.80x = 27,756,221.53
  5. Step 5: Solve for x
    x = 27,756,221.53/7,192.80
  6. Step 6: Final answer
    x = 3,858.89

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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.