Home / 7,167-9,890.49-4,023.24

Finding the Fourth Proportional to 7,167, 9,890.49 and 4,023.24

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Solution

The fourth proportional to 7,167, 9,890.49 and 4,023.24 is: 5,552.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,167 : 9,890.49 = 4,023.24 : x
  2. Step 2: Convert to fraction form
    7,167/9,890.49 = 4,023.24/x
  3. Step 3: Cross multiply
    7,167x = 9,890.49 × 4,023.24
  4. Step 4: Simplify right side
    7,167x = 39,791,814.99
  5. Step 5: Solve for x
    x = 39,791,814.99/7,167
  6. Step 6: Final answer
    x = 5,552.09

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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.