Home / 3,914.44-5,398.18-3,628.11

Finding the Fourth Proportional to 3,914.44, 5,398.18 and 3,628.11

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Solution

The fourth proportional to 3,914.44, 5,398.18 and 3,628.11 is: 5,003.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,914.44 : 5,398.18 = 3,628.11 : x
  2. Step 2: Convert to fraction form
    3,914.44/5,398.18 = 3,628.11/x
  3. Step 3: Cross multiply
    3,914.44x = 5,398.18 × 3,628.11
  4. Step 4: Simplify right side
    3,914.44x = 19,585,190.84
  5. Step 5: Solve for x
    x = 19,585,190.84/3,914.44
  6. Step 6: Final answer
    x = 5,003.32

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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.