Home / 2,054.11-3,078.29-1,553.36

Finding the Fourth Proportional to 2,054.11, 3,078.29 and 1,553.36

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Solution

The fourth proportional to 2,054.11, 3,078.29 and 1,553.36 is: 2,327.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,054.11 : 3,078.29 = 1,553.36 : x
  2. Step 2: Convert to fraction form
    2,054.11/3,078.29 = 1,553.36/x
  3. Step 3: Cross multiply
    2,054.11x = 3,078.29 × 1,553.36
  4. Step 4: Simplify right side
    2,054.11x = 4,781,704.13
  5. Step 5: Solve for x
    x = 4,781,704.13/2,054.11
  6. Step 6: Final answer
    x = 2,327.87

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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.