Home / 1,923.57-2,653.97-1,176.75

Finding the Fourth Proportional to 1,923.57, 2,653.97 and 1,176.75

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Solution

The fourth proportional to 1,923.57, 2,653.97 and 1,176.75 is: 1,623.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923.57 : 2,653.97 = 1,176.75 : x
  2. Step 2: Convert to fraction form
    1,923.57/2,653.97 = 1,176.75/x
  3. Step 3: Cross multiply
    1,923.57x = 2,653.97 × 1,176.75
  4. Step 4: Simplify right side
    1,923.57x = 3,123,053.31
  5. Step 5: Solve for x
    x = 3,123,053.31/1,923.57
  6. Step 6: Final answer
    x = 1,623.57

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Half scale
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1.5x scale

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.