Home / 1,922.74-2,653.44-1,176.69

Finding the Fourth Proportional to 1,922.74, 2,653.44 and 1,176.69

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Solution

The fourth proportional to 1,922.74, 2,653.44 and 1,176.69 is: 1,623.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922.74 : 2,653.44 = 1,176.69 : x
  2. Step 2: Convert to fraction form
    1,922.74/2,653.44 = 1,176.69/x
  3. Step 3: Cross multiply
    1,922.74x = 2,653.44 × 1,176.69
  4. Step 4: Simplify right side
    1,922.74x = 3,122,266.74
  5. Step 5: Solve for x
    x = 3,122,266.74/1,922.74
  6. Step 6: Final answer
    x = 1,623.86

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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.