Home / 7,469.49-11,201.81-2,539.02

Finding the Fourth Proportional to 7,469.49, 11,201.81 and 2,539.02

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Solution

The fourth proportional to 7,469.49, 11,201.81 and 2,539.02 is: 3,807.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,469.49 : 11,201.81 = 2,539.02 : x
  2. Step 2: Convert to fraction form
    7,469.49/11,201.81 = 2,539.02/x
  3. Step 3: Cross multiply
    7,469.49x = 11,201.81 × 2,539.02
  4. Step 4: Simplify right side
    7,469.49x = 28,441,606.93
  5. Step 5: Solve for x
    x = 28,441,606.93/7,469.49
  6. Step 6: Final answer
    x = 3,807.70

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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.