Home / 1,923.75-2,654.37-1,294.38

Finding the Fourth Proportional to 1,923.75, 2,654.37 and 1,294.38

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Solution

The fourth proportional to 1,923.75, 2,654.37 and 1,294.38 is: 1,785.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923.75 : 2,654.37 = 1,294.38 : x
  2. Step 2: Convert to fraction form
    1,923.75/2,654.37 = 1,294.38/x
  3. Step 3: Cross multiply
    1,923.75x = 2,654.37 × 1,294.38
  4. Step 4: Simplify right side
    1,923.75x = 3,435,763.44
  5. Step 5: Solve for x
    x = 3,435,763.44/1,923.75
  6. Step 6: Final answer
    x = 1,785.97

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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.