Home / 5,910.44-8,156.45-3,221.66

Finding the Fourth Proportional to 5,910.44, 8,156.45 and 3,221.66

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Solution

The fourth proportional to 5,910.44, 8,156.45 and 3,221.66 is: 4,445.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,910.44 : 8,156.45 = 3,221.66 : x
  2. Step 2: Convert to fraction form
    5,910.44/8,156.45 = 3,221.66/x
  3. Step 3: Cross multiply
    5,910.44x = 8,156.45 × 3,221.66
  4. Step 4: Simplify right side
    5,910.44x = 26,277,337.15
  5. Step 5: Solve for x
    x = 26,277,337.15/5,910.44
  6. Step 6: Final answer
    x = 4,445.92

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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.