Home / 5,153.82-7,719.18-3,513.54

Finding the Fourth Proportional to 5,153.82, 7,719.18 and 3,513.54

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Solution

The fourth proportional to 5,153.82, 7,719.18 and 3,513.54 is: 5,262.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,153.82 : 7,719.18 = 3,513.54 : x
  2. Step 2: Convert to fraction form
    5,153.82/7,719.18 = 3,513.54/x
  3. Step 3: Cross multiply
    5,153.82x = 7,719.18 × 3,513.54
  4. Step 4: Simplify right side
    5,153.82x = 27,121,647.70
  5. Step 5: Solve for x
    x = 27,121,647.70/5,153.82
  6. Step 6: Final answer
    x = 5,262.44

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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.