Home / 1,972.44-2,721.94-1,133.23

Finding the Fourth Proportional to 1,972.44, 2,721.94 and 1,133.23

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Solution

The fourth proportional to 1,972.44, 2,721.94 and 1,133.23 is: 1,563.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972.44 : 2,721.94 = 1,133.23 : x
  2. Step 2: Convert to fraction form
    1,972.44/2,721.94 = 1,133.23/x
  3. Step 3: Cross multiply
    1,972.44x = 2,721.94 × 1,133.23
  4. Step 4: Simplify right side
    1,972.44x = 3,084,584.07
  5. Step 5: Solve for x
    x = 3,084,584.07/1,972.44
  6. Step 6: Final answer
    x = 1,563.84

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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.