Home / 5,114.80-7,664.10-3,262.60

Finding the Fourth Proportional to 5,114.80, 7,664.10 and 3,262.60

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Solution

The fourth proportional to 5,114.80, 7,664.10 and 3,262.60 is: 4,888.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,114.80 : 7,664.10 = 3,262.60 : x
  2. Step 2: Convert to fraction form
    5,114.80/7,664.10 = 3,262.60/x
  3. Step 3: Cross multiply
    5,114.80x = 7,664.10 × 3,262.60
  4. Step 4: Simplify right side
    5,114.80x = 25,004,892.66
  5. Step 5: Solve for x
    x = 25,004,892.66/5,114.80
  6. Step 6: Final answer
    x = 4,888.73

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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.