Home / 3,554.62-4,905.41-1,961.33

Finding the Fourth Proportional to 3,554.62, 4,905.41 and 1,961.33

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Solution

The fourth proportional to 3,554.62, 4,905.41 and 1,961.33 is: 2,706.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,554.62 : 4,905.41 = 1,961.33 : x
  2. Step 2: Convert to fraction form
    3,554.62/4,905.41 = 1,961.33/x
  3. Step 3: Cross multiply
    3,554.62x = 4,905.41 × 1,961.33
  4. Step 4: Simplify right side
    3,554.62x = 9,621,127.80
  5. Step 5: Solve for x
    x = 9,621,127.80/3,554.62
  6. Step 6: Final answer
    x = 2,706.65

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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.