Home / 2,910.33-4,016.39-1,954.53

Finding the Fourth Proportional to 2,910.33, 4,016.39 and 1,954.53

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Solution

The fourth proportional to 2,910.33, 4,016.39 and 1,954.53 is: 2,697.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.33 : 4,016.39 = 1,954.53 : x
  2. Step 2: Convert to fraction form
    2,910.33/4,016.39 = 1,954.53/x
  3. Step 3: Cross multiply
    2,910.33x = 4,016.39 × 1,954.53
  4. Step 4: Simplify right side
    2,910.33x = 7,850,144.97
  5. Step 5: Solve for x
    x = 7,850,144.97/2,910.33
  6. Step 6: Final answer
    x = 2,697.34

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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.