Home / 5,422.16-8,133.62-2,301.82

Finding the Fourth Proportional to 5,422.16, 8,133.62 and 2,301.82

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Solution

The fourth proportional to 5,422.16, 8,133.62 and 2,301.82 is: 3,452.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422.16 : 8,133.62 = 2,301.82 : x
  2. Step 2: Convert to fraction form
    5,422.16/8,133.62 = 2,301.82/x
  3. Step 3: Cross multiply
    5,422.16x = 8,133.62 × 2,301.82
  4. Step 4: Simplify right side
    5,422.16x = 18,722,129.19
  5. Step 5: Solve for x
    x = 18,722,129.19/5,422.16
  6. Step 6: Final answer
    x = 3,452.89

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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.