Home / 1,922.45-2,653.03-1,083.18

Finding the Fourth Proportional to 1,922.45, 2,653.03 and 1,083.18

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Solution

The fourth proportional to 1,922.45, 2,653.03 and 1,083.18 is: 1,494.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922.45 : 2,653.03 = 1,083.18 : x
  2. Step 2: Convert to fraction form
    1,922.45/2,653.03 = 1,083.18/x
  3. Step 3: Cross multiply
    1,922.45x = 2,653.03 × 1,083.18
  4. Step 4: Simplify right side
    1,922.45x = 2,873,709.04
  5. Step 5: Solve for x
    x = 2,873,709.04/1,922.45
  6. Step 6: Final answer
    x = 1,494.82

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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.