Home / 3,515.78-5,273.67-2,054.14

Finding the Fourth Proportional to 3,515.78, 5,273.67 and 2,054.14

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Solution

The fourth proportional to 3,515.78, 5,273.67 and 2,054.14 is: 3,081.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.78 : 5,273.67 = 2,054.14 : x
  2. Step 2: Convert to fraction form
    3,515.78/5,273.67 = 2,054.14/x
  3. Step 3: Cross multiply
    3,515.78x = 5,273.67 × 2,054.14
  4. Step 4: Simplify right side
    3,515.78x = 10,832,856.49
  5. Step 5: Solve for x
    x = 10,832,856.49/3,515.78
  6. Step 6: Final answer
    x = 3,081.21

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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.