Home / 2,922.78-4,033.54-1,664.04

Finding the Fourth Proportional to 2,922.78, 4,033.54 and 1,664.04

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Solution

The fourth proportional to 2,922.78, 4,033.54 and 1,664.04 is: 2,296.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922.78 : 4,033.54 = 1,664.04 : x
  2. Step 2: Convert to fraction form
    2,922.78/4,033.54 = 1,664.04/x
  3. Step 3: Cross multiply
    2,922.78x = 4,033.54 × 1,664.04
  4. Step 4: Simplify right side
    2,922.78x = 6,711,971.90
  5. Step 5: Solve for x
    x = 6,711,971.90/2,922.78
  6. Step 6: Final answer
    x = 2,296.43

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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.