Home / 5,520.15-7,612.38-3,633.39

Finding the Fourth Proportional to 5,520.15, 7,612.38 and 3,633.39

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Solution

The fourth proportional to 5,520.15, 7,612.38 and 3,633.39 is: 5,010.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,520.15 : 7,612.38 = 3,633.39 : x
  2. Step 2: Convert to fraction form
    5,520.15/7,612.38 = 3,633.39/x
  3. Step 3: Cross multiply
    5,520.15x = 7,612.38 × 3,633.39
  4. Step 4: Simplify right side
    5,520.15x = 27,658,745.37
  5. Step 5: Solve for x
    x = 27,658,745.37/5,520.15
  6. Step 6: Final answer
    x = 5,010.51

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1.5x scale

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.