Home / 2,991.38-4,133.80-2,244.04

Finding the Fourth Proportional to 2,991.38, 4,133.80 and 2,244.04

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Solution

The fourth proportional to 2,991.38, 4,133.80 and 2,244.04 is: 3,101.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,991.38 : 4,133.80 = 2,244.04 : x
  2. Step 2: Convert to fraction form
    2,991.38/4,133.80 = 2,244.04/x
  3. Step 3: Cross multiply
    2,991.38x = 4,133.80 × 2,244.04
  4. Step 4: Simplify right side
    2,991.38x = 9,276,401.33
  5. Step 5: Solve for x
    x = 9,276,401.33/2,991.38
  6. Step 6: Final answer
    x = 3,101.04

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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.