Home / 5,910.53-8,156.42-3,221.77

Finding the Fourth Proportional to 5,910.53, 8,156.42 and 3,221.77

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Solution

The fourth proportional to 5,910.53, 8,156.42 and 3,221.77 is: 4,445.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,910.53 : 8,156.42 = 3,221.77 : x
  2. Step 2: Convert to fraction form
    5,910.53/8,156.42 = 3,221.77/x
  3. Step 3: Cross multiply
    5,910.53x = 8,156.42 × 3,221.77
  4. Step 4: Simplify right side
    5,910.53x = 26,278,125.63
  5. Step 5: Solve for x
    x = 26,278,125.63/5,910.53
  6. Step 6: Final answer
    x = 4,445.99

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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.