Home / 1,922.62-2,653.27-1,176.57

Finding the Fourth Proportional to 1,922.62, 2,653.27 and 1,176.57

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Solution

The fourth proportional to 1,922.62, 2,653.27 and 1,176.57 is: 1,623.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922.62 : 2,653.27 = 1,176.57 : x
  2. Step 2: Convert to fraction form
    1,922.62/2,653.27 = 1,176.57/x
  3. Step 3: Cross multiply
    1,922.62x = 2,653.27 × 1,176.57
  4. Step 4: Simplify right side
    1,922.62x = 3,121,738.73
  5. Step 5: Solve for x
    x = 3,121,738.73/1,922.62
  6. Step 6: Final answer
    x = 1,623.69

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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.