Home / 7,748.73-11,621.03-3,365.19

Finding the Fourth Proportional to 7,748.73, 11,621.03 and 3,365.19

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Solution

The fourth proportional to 7,748.73, 11,621.03 and 3,365.19 is: 5,046.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,748.73 : 11,621.03 = 3,365.19 : x
  2. Step 2: Convert to fraction form
    7,748.73/11,621.03 = 3,365.19/x
  3. Step 3: Cross multiply
    7,748.73x = 11,621.03 × 3,365.19
  4. Step 4: Simplify right side
    7,748.73x = 39,106,957.12
  5. Step 5: Solve for x
    x = 39,106,957.12/7,748.73
  6. Step 6: Final answer
    x = 5,046.89

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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.