Home / 3,844.70-5,305.68-2,166.11

Finding the Fourth Proportional to 3,844.70, 5,305.68 and 2,166.11

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Solution

The fourth proportional to 3,844.70, 5,305.68 and 2,166.11 is: 2,989.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,844.70 : 5,305.68 = 2,166.11 : x
  2. Step 2: Convert to fraction form
    3,844.70/5,305.68 = 2,166.11/x
  3. Step 3: Cross multiply
    3,844.70x = 5,305.68 × 2,166.11
  4. Step 4: Simplify right side
    3,844.70x = 11,492,659.98
  5. Step 5: Solve for x
    x = 11,492,659.98/3,844.70
  6. Step 6: Final answer
    x = 2,989.23

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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.