Home / 3,576.92-5,366.14-1,111.68

Finding the Fourth Proportional to 3,576.92, 5,366.14 and 1,111.68

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Solution

The fourth proportional to 3,576.92, 5,366.14 and 1,111.68 is: 1,667.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,576.92 : 5,366.14 = 1,111.68 : x
  2. Step 2: Convert to fraction form
    3,576.92/5,366.14 = 1,111.68/x
  3. Step 3: Cross multiply
    3,576.92x = 5,366.14 × 1,111.68
  4. Step 4: Simplify right side
    3,576.92x = 5,965,430.52
  5. Step 5: Solve for x
    x = 5,965,430.52/3,576.92
  6. Step 6: Final answer
    x = 1,667.76

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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.