Home / 2,371.86-3,552.26-2,108.12

Finding the Fourth Proportional to 2,371.86, 3,552.26 and 2,108.12

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Solution

The fourth proportional to 2,371.86, 3,552.26 and 2,108.12 is: 3,157.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,371.86 : 3,552.26 = 2,108.12 : x
  2. Step 2: Convert to fraction form
    2,371.86/3,552.26 = 2,108.12/x
  3. Step 3: Cross multiply
    2,371.86x = 3,552.26 × 2,108.12
  4. Step 4: Simplify right side
    2,371.86x = 7,488,562.05
  5. Step 5: Solve for x
    x = 7,488,562.05/2,371.86
  6. Step 6: Final answer
    x = 3,157.25

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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.