Home / 1,922.74-2,653.12-1,083.34

Finding the Fourth Proportional to 1,922.74, 2,653.12 and 1,083.34

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Solution

The fourth proportional to 1,922.74, 2,653.12 and 1,083.34 is: 1,494.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922.74 : 2,653.12 = 1,083.34 : x
  2. Step 2: Convert to fraction form
    1,922.74/2,653.12 = 1,083.34/x
  3. Step 3: Cross multiply
    1,922.74x = 2,653.12 × 1,083.34
  4. Step 4: Simplify right side
    1,922.74x = 2,874,231.02
  5. Step 5: Solve for x
    x = 2,874,231.02/1,922.74
  6. Step 6: Final answer
    x = 1,494.86

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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.