Home / 1,940.14-2,909.64-844.24

Finding the Fourth Proportional to 1,940.14, 2,909.64 and 844.24

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Solution

The fourth proportional to 1,940.14, 2,909.64 and 844.24 is: 1,266.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940.14 : 2,909.64 = 844.24 : x
  2. Step 2: Convert to fraction form
    1,940.14/2,909.64 = 844.24/x
  3. Step 3: Cross multiply
    1,940.14x = 2,909.64 × 844.24
  4. Step 4: Simplify right side
    1,940.14x = 2,456,434.47
  5. Step 5: Solve for x
    x = 2,456,434.47/1,940.14
  6. Step 6: Final answer
    x = 1,266.11

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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.