Home / 5,551.62-8,331.52-2,629.92

Finding the Fourth Proportional to 5,551.62, 8,331.52 and 2,629.92

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Solution

The fourth proportional to 5,551.62, 8,331.52 and 2,629.92 is: 3,946.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,551.62 : 8,331.52 = 2,629.92 : x
  2. Step 2: Convert to fraction form
    5,551.62/8,331.52 = 2,629.92/x
  3. Step 3: Cross multiply
    5,551.62x = 8,331.52 × 2,629.92
  4. Step 4: Simplify right side
    5,551.62x = 21,911,231.08
  5. Step 5: Solve for x
    x = 21,911,231.08/5,551.62
  6. Step 6: Final answer
    x = 3,946.82

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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.