Home / 1,922.49-2,653.09-1,176.44

Finding the Fourth Proportional to 1,922.49, 2,653.09 and 1,176.44

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Solution

The fourth proportional to 1,922.49, 2,653.09 and 1,176.44 is: 1,623.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922.49 : 2,653.09 = 1,176.44 : x
  2. Step 2: Convert to fraction form
    1,922.49/2,653.09 = 1,176.44/x
  3. Step 3: Cross multiply
    1,922.49x = 2,653.09 × 1,176.44
  4. Step 4: Simplify right side
    1,922.49x = 3,121,187.93
  5. Step 5: Solve for x
    x = 3,121,187.93/1,922.49
  6. Step 6: Final answer
    x = 1,623.51

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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.