Home / 4,881-6,736.31-3,203.76

Finding the Fourth Proportional to 4,881, 6,736.31 and 3,203.76

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Solution

The fourth proportional to 4,881, 6,736.31 and 3,203.76 is: 4,421.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,881 : 6,736.31 = 3,203.76 : x
  2. Step 2: Convert to fraction form
    4,881/6,736.31 = 3,203.76/x
  3. Step 3: Cross multiply
    4,881x = 6,736.31 × 3,203.76
  4. Step 4: Simplify right side
    4,881x = 21,581,520.53
  5. Step 5: Solve for x
    x = 21,581,520.53/4,881
  6. Step 6: Final answer
    x = 4,421.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.