Home / 7,192.67-10,786.73-3,031.91

Finding the Fourth Proportional to 7,192.67, 10,786.73 and 3,031.91

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Solution

The fourth proportional to 7,192.67, 10,786.73 and 3,031.91 is: 4,546.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,192.67 : 10,786.73 = 3,031.91 : x
  2. Step 2: Convert to fraction form
    7,192.67/10,786.73 = 3,031.91/x
  3. Step 3: Cross multiply
    7,192.67x = 10,786.73 × 3,031.91
  4. Step 4: Simplify right side
    7,192.67x = 32,704,394.55
  5. Step 5: Solve for x
    x = 32,704,394.55/7,192.67
  6. Step 6: Final answer
    x = 4,546.91

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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.