Home / 3,370.11-5,055.18-1,422.06

Finding the Fourth Proportional to 3,370.11, 5,055.18 and 1,422.06

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Solution

The fourth proportional to 3,370.11, 5,055.18 and 1,422.06 is: 2,133.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,370.11 : 5,055.18 = 1,422.06 : x
  2. Step 2: Convert to fraction form
    3,370.11/5,055.18 = 1,422.06/x
  3. Step 3: Cross multiply
    3,370.11x = 5,055.18 × 1,422.06
  4. Step 4: Simplify right side
    3,370.11x = 7,188,769.27
  5. Step 5: Solve for x
    x = 7,188,769.27/3,370.11
  6. Step 6: Final answer
    x = 2,133.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.