Home / 5,391.22-8,086.73-2,428.01

Finding the Fourth Proportional to 5,391.22, 8,086.73 and 2,428.01

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Solution

The fourth proportional to 5,391.22, 8,086.73 and 2,428.01 is: 3,641.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391.22 : 8,086.73 = 2,428.01 : x
  2. Step 2: Convert to fraction form
    5,391.22/8,086.73 = 2,428.01/x
  3. Step 3: Cross multiply
    5,391.22x = 8,086.73 × 2,428.01
  4. Step 4: Simplify right side
    5,391.22x = 19,634,667.38
  5. Step 5: Solve for x
    x = 19,634,667.38/5,391.22
  6. Step 6: Final answer
    x = 3,641.97

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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.