Home / 3,914.44-5,402.43-2,236.17

Finding the Fourth Proportional to 3,914.44, 5,402.43 and 2,236.17

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Solution

The fourth proportional to 3,914.44, 5,402.43 and 2,236.17 is: 3,086.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,914.44 : 5,402.43 = 2,236.17 : x
  2. Step 2: Convert to fraction form
    3,914.44/5,402.43 = 2,236.17/x
  3. Step 3: Cross multiply
    3,914.44x = 5,402.43 × 2,236.17
  4. Step 4: Simplify right side
    3,914.44x = 12,080,751.89
  5. Step 5: Solve for x
    x = 12,080,751.89/3,914.44
  6. Step 6: Final answer
    x = 3,086.20

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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.