Home / 2,618.65-3,923.36-1,383.33

Finding the Fourth Proportional to 2,618.65, 3,923.36 and 1,383.33

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Solution

The fourth proportional to 2,618.65, 3,923.36 and 1,383.33 is: 2,072.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,618.65 : 3,923.36 = 1,383.33 : x
  2. Step 2: Convert to fraction form
    2,618.65/3,923.36 = 1,383.33/x
  3. Step 3: Cross multiply
    2,618.65x = 3,923.36 × 1,383.33
  4. Step 4: Simplify right side
    2,618.65x = 5,427,294.67
  5. Step 5: Solve for x
    x = 5,427,294.67/2,618.65
  6. Step 6: Final answer
    x = 2,072.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.