Home / 5,538.78-8,300.94-2,248.02

Finding the Fourth Proportional to 5,538.78, 8,300.94 and 2,248.02

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Solution

The fourth proportional to 5,538.78, 8,300.94 and 2,248.02 is: 3,369.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,538.78 : 8,300.94 = 2,248.02 : x
  2. Step 2: Convert to fraction form
    5,538.78/8,300.94 = 2,248.02/x
  3. Step 3: Cross multiply
    5,538.78x = 8,300.94 × 2,248.02
  4. Step 4: Simplify right side
    5,538.78x = 18,660,679.14
  5. Step 5: Solve for x
    x = 18,660,679.14/5,538.78
  6. Step 6: Final answer
    x = 3,369.10

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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.