Home / 5,982.72-8,974.16-2,087.24

Finding the Fourth Proportional to 5,982.72, 8,974.16 and 2,087.24

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Solution

The fourth proportional to 5,982.72, 8,974.16 and 2,087.24 is: 3,130.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,982.72 : 8,974.16 = 2,087.24 : x
  2. Step 2: Convert to fraction form
    5,982.72/8,974.16 = 2,087.24/x
  3. Step 3: Cross multiply
    5,982.72x = 8,974.16 × 2,087.24
  4. Step 4: Simplify right side
    5,982.72x = 18,731,225.72
  5. Step 5: Solve for x
    x = 18,731,225.72/5,982.72
  6. Step 6: Final answer
    x = 3,130.89

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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.