Home / 3,513.92-5,270.32-1,173.72

Finding the Fourth Proportional to 3,513.92, 5,270.32 and 1,173.72

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Solution

The fourth proportional to 3,513.92, 5,270.32 and 1,173.72 is: 1,760.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.92 : 5,270.32 = 1,173.72 : x
  2. Step 2: Convert to fraction form
    3,513.92/5,270.32 = 1,173.72/x
  3. Step 3: Cross multiply
    3,513.92x = 5,270.32 × 1,173.72
  4. Step 4: Simplify right side
    3,513.92x = 6,185,879.99
  5. Step 5: Solve for x
    x = 6,185,879.99/3,513.92
  6. Step 6: Final answer
    x = 1,760.39

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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.