Home / 3,081.72-4,622.52-2,092.08

Finding the Fourth Proportional to 3,081.72, 4,622.52 and 2,092.08

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Solution

The fourth proportional to 3,081.72, 4,622.52 and 2,092.08 is: 3,138.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.72 : 4,622.52 = 2,092.08 : x
  2. Step 2: Convert to fraction form
    3,081.72/4,622.52 = 2,092.08/x
  3. Step 3: Cross multiply
    3,081.72x = 4,622.52 × 2,092.08
  4. Step 4: Simplify right side
    3,081.72x = 9,670,681.64
  5. Step 5: Solve for x
    x = 9,670,681.64/3,081.72
  6. Step 6: Final answer
    x = 3,138.08

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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.