Home / 4,495.91-6,736.56-3,191

Finding the Fourth Proportional to 4,495.91, 6,736.56 and 3,191

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Solution

The fourth proportional to 4,495.91, 6,736.56 and 3,191 is: 4,781.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,495.91 : 6,736.56 = 3,191 : x
  2. Step 2: Convert to fraction form
    4,495.91/6,736.56 = 3,191/x
  3. Step 3: Cross multiply
    4,495.91x = 6,736.56 × 3,191
  4. Step 4: Simplify right side
    4,495.91x = 21,496,362.96
  5. Step 5: Solve for x
    x = 21,496,362.96/4,495.91
  6. Step 6: Final answer
    x = 4,781.32

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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.