Home / 5,910.48-8,156.41-3,221.68

Finding the Fourth Proportional to 5,910.48, 8,156.41 and 3,221.68

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Solution

The fourth proportional to 5,910.48, 8,156.41 and 3,221.68 is: 4,445.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,910.48 : 8,156.41 = 3,221.68 : x
  2. Step 2: Convert to fraction form
    5,910.48/8,156.41 = 3,221.68/x
  3. Step 3: Cross multiply
    5,910.48x = 8,156.41 × 3,221.68
  4. Step 4: Simplify right side
    5,910.48x = 26,277,342.97
  5. Step 5: Solve for x
    x = 26,277,342.97/5,910.48
  6. Step 6: Final answer
    x = 4,445.89

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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.