Home / 5,418.36-8,124.77-2,494.13

Finding the Fourth Proportional to 5,418.36, 8,124.77 and 2,494.13

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Solution

The fourth proportional to 5,418.36, 8,124.77 and 2,494.13 is: 3,739.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418.36 : 8,124.77 = 2,494.13 : x
  2. Step 2: Convert to fraction form
    5,418.36/8,124.77 = 2,494.13/x
  3. Step 3: Cross multiply
    5,418.36x = 8,124.77 × 2,494.13
  4. Step 4: Simplify right side
    5,418.36x = 20,264,198.21
  5. Step 5: Solve for x
    x = 20,264,198.21/5,418.36
  6. Step 6: Final answer
    x = 3,739.91

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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.