Home / 5,115.61-7,673.55-3,825.28

Finding the Fourth Proportional to 5,115.61, 7,673.55 and 3,825.28

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Solution

The fourth proportional to 5,115.61, 7,673.55 and 3,825.28 is: 5,738.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,115.61 : 7,673.55 = 3,825.28 : x
  2. Step 2: Convert to fraction form
    5,115.61/7,673.55 = 3,825.28/x
  3. Step 3: Cross multiply
    5,115.61x = 7,673.55 × 3,825.28
  4. Step 4: Simplify right side
    5,115.61x = 29,353,477.34
  5. Step 5: Solve for x
    x = 29,353,477.34/5,115.61
  6. Step 6: Final answer
    x = 5,738.02

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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.