Home / 3,821.72-5,734.19-2,088.32

Finding the Fourth Proportional to 3,821.72, 5,734.19 and 2,088.32

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Solution

The fourth proportional to 3,821.72, 5,734.19 and 2,088.32 is: 3,133.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.72 : 5,734.19 = 2,088.32 : x
  2. Step 2: Convert to fraction form
    3,821.72/5,734.19 = 2,088.32/x
  3. Step 3: Cross multiply
    3,821.72x = 5,734.19 × 2,088.32
  4. Step 4: Simplify right side
    3,821.72x = 11,974,800.21
  5. Step 5: Solve for x
    x = 11,974,800.21/3,821.72
  6. Step 6: Final answer
    x = 3,133.36

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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.