Home / 1,922.57-2,653.12-1,083.35

Finding the Fourth Proportional to 1,922.57, 2,653.12 and 1,083.35

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Solution

The fourth proportional to 1,922.57, 2,653.12 and 1,083.35 is: 1,495.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922.57 : 2,653.12 = 1,083.35 : x
  2. Step 2: Convert to fraction form
    1,922.57/2,653.12 = 1,083.35/x
  3. Step 3: Cross multiply
    1,922.57x = 2,653.12 × 1,083.35
  4. Step 4: Simplify right side
    1,922.57x = 2,874,265.54
  5. Step 5: Solve for x
    x = 2,874,265.54/1,922.57
  6. Step 6: Final answer
    x = 1,495.01

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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.