Home / 5,481.89-7,564.99-3,124.07

Finding the Fourth Proportional to 5,481.89, 7,564.99 and 3,124.07

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Solution

The fourth proportional to 5,481.89, 7,564.99 and 3,124.07 is: 4,311.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,481.89 : 7,564.99 = 3,124.07 : x
  2. Step 2: Convert to fraction form
    5,481.89/7,564.99 = 3,124.07/x
  3. Step 3: Cross multiply
    5,481.89x = 7,564.99 × 3,124.07
  4. Step 4: Simplify right side
    5,481.89x = 23,633,558.31
  5. Step 5: Solve for x
    x = 23,633,558.31/5,481.89
  6. Step 6: Final answer
    x = 4,311.21

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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.