Home / 3,617.76-5,422.94-2,054.46

Finding the Fourth Proportional to 3,617.76, 5,422.94 and 2,054.46

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Solution

The fourth proportional to 3,617.76, 5,422.94 and 2,054.46 is: 3,079.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.76 : 5,422.94 = 2,054.46 : x
  2. Step 2: Convert to fraction form
    3,617.76/5,422.94 = 2,054.46/x
  3. Step 3: Cross multiply
    3,617.76x = 5,422.94 × 2,054.46
  4. Step 4: Simplify right side
    3,617.76x = 11,141,213.31
  5. Step 5: Solve for x
    x = 11,141,213.31/3,617.76
  6. Step 6: Final answer
    x = 3,079.59

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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.