Home / 1,923.28-2,653.26-1,176.96

Finding the Fourth Proportional to 1,923.28, 2,653.26 and 1,176.96

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Solution

The fourth proportional to 1,923.28, 2,653.26 and 1,176.96 is: 1,623.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923.28 : 2,653.26 = 1,176.96 : x
  2. Step 2: Convert to fraction form
    1,923.28/2,653.26 = 1,176.96/x
  3. Step 3: Cross multiply
    1,923.28x = 2,653.26 × 1,176.96
  4. Step 4: Simplify right side
    1,923.28x = 3,122,786.43
  5. Step 5: Solve for x
    x = 3,122,786.43/1,923.28
  6. Step 6: Final answer
    x = 1,623.68

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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.