Home / 7,280.73-10,914.62-3,383.01

Finding the Fourth Proportional to 7,280.73, 10,914.62 and 3,383.01

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Solution

The fourth proportional to 7,280.73, 10,914.62 and 3,383.01 is: 5,071.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280.73 : 10,914.62 = 3,383.01 : x
  2. Step 2: Convert to fraction form
    7,280.73/10,914.62 = 3,383.01/x
  3. Step 3: Cross multiply
    7,280.73x = 10,914.62 × 3,383.01
  4. Step 4: Simplify right side
    7,280.73x = 36,924,251.69
  5. Step 5: Solve for x
    x = 36,924,251.69/7,280.73
  6. Step 6: Final answer
    x = 5,071.50

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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.