Home / 3,091.04-4,266.20-1,972.33

Finding the Fourth Proportional to 3,091.04, 4,266.20 and 1,972.33

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Solution

The fourth proportional to 3,091.04, 4,266.20 and 1,972.33 is: 2,722.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.04 : 4,266.20 = 1,972.33 : x
  2. Step 2: Convert to fraction form
    3,091.04/4,266.20 = 1,972.33/x
  3. Step 3: Cross multiply
    3,091.04x = 4,266.20 × 1,972.33
  4. Step 4: Simplify right side
    3,091.04x = 8,414,323.05
  5. Step 5: Solve for x
    x = 8,414,323.05/3,091.04
  6. Step 6: Final answer
    x = 2,722.17

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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.