Home / 5,388.48-7,435.62-3,150.09

Finding the Fourth Proportional to 5,388.48, 7,435.62 and 3,150.09

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Solution

The fourth proportional to 5,388.48, 7,435.62 and 3,150.09 is: 4,346.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388.48 : 7,435.62 = 3,150.09 : x
  2. Step 2: Convert to fraction form
    5,388.48/7,435.62 = 3,150.09/x
  3. Step 3: Cross multiply
    5,388.48x = 7,435.62 × 3,150.09
  4. Step 4: Simplify right side
    5,388.48x = 23,422,872.21
  5. Step 5: Solve for x
    x = 23,422,872.21/5,388.48
  6. Step 6: Final answer
    x = 4,346.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.