Home / 4,149.62-5,726-2,381.18

Finding the Fourth Proportional to 4,149.62, 5,726 and 2,381.18

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Solution

The fourth proportional to 4,149.62, 5,726 and 2,381.18 is: 3,285.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,149.62 : 5,726 = 2,381.18 : x
  2. Step 2: Convert to fraction form
    4,149.62/5,726 = 2,381.18/x
  3. Step 3: Cross multiply
    4,149.62x = 5,726 × 2,381.18
  4. Step 4: Simplify right side
    4,149.62x = 13,634,636.68
  5. Step 5: Solve for x
    x = 13,634,636.68/4,149.62
  6. Step 6: Final answer
    x = 3,285.76

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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.