Home / 5,005.22-7,500.54-3,418.43

Finding the Fourth Proportional to 5,005.22, 7,500.54 and 3,418.43

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Solution

The fourth proportional to 5,005.22, 7,500.54 and 3,418.43 is: 5,122.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,005.22 : 7,500.54 = 3,418.43 : x
  2. Step 2: Convert to fraction form
    5,005.22/7,500.54 = 3,418.43/x
  3. Step 3: Cross multiply
    5,005.22x = 7,500.54 × 3,418.43
  4. Step 4: Simplify right side
    5,005.22x = 25,640,053.86
  5. Step 5: Solve for x
    x = 25,640,053.86/5,005.22
  6. Step 6: Final answer
    x = 5,122.66

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1.5x scale

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.