Home / 5,422.38-8,133.81-2,301.93

Finding the Fourth Proportional to 5,422.38, 8,133.81 and 2,301.93

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Solution

The fourth proportional to 5,422.38, 8,133.81 and 2,301.93 is: 3,453.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422.38 : 8,133.81 = 2,301.93 : x
  2. Step 2: Convert to fraction form
    5,422.38/8,133.81 = 2,301.93/x
  3. Step 3: Cross multiply
    5,422.38x = 8,133.81 × 2,301.93
  4. Step 4: Simplify right side
    5,422.38x = 18,723,461.25
  5. Step 5: Solve for x
    x = 18,723,461.25/5,422.38
  6. Step 6: Final answer
    x = 3,453.00

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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.