Home / 2,393.33-3,302.78-1,331.06

Finding the Fourth Proportional to 2,393.33, 3,302.78 and 1,331.06

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Solution

The fourth proportional to 2,393.33, 3,302.78 and 1,331.06 is: 1,836.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,393.33 : 3,302.78 = 1,331.06 : x
  2. Step 2: Convert to fraction form
    2,393.33/3,302.78 = 1,331.06/x
  3. Step 3: Cross multiply
    2,393.33x = 3,302.78 × 1,331.06
  4. Step 4: Simplify right side
    2,393.33x = 4,396,175.18
  5. Step 5: Solve for x
    x = 4,396,175.18/2,393.33
  6. Step 6: Final answer
    x = 1,836.85

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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.