Home / 5,940.45-8,911.92-2,192.23

Finding the Fourth Proportional to 5,940.45, 8,911.92 and 2,192.23

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Solution

The fourth proportional to 5,940.45, 8,911.92 and 2,192.23 is: 3,288.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,940.45 : 8,911.92 = 2,192.23 : x
  2. Step 2: Convert to fraction form
    5,940.45/8,911.92 = 2,192.23/x
  3. Step 3: Cross multiply
    5,940.45x = 8,911.92 × 2,192.23
  4. Step 4: Simplify right side
    5,940.45x = 19,536,978.38
  5. Step 5: Solve for x
    x = 19,536,978.38/5,940.45
  6. Step 6: Final answer
    x = 3,288.80

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1.5x scale

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.