Home / 5,881.35-8,115.98-3,228.80

Finding the Fourth Proportional to 5,881.35, 8,115.98 and 3,228.80

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Solution

The fourth proportional to 5,881.35, 8,115.98 and 3,228.80 is: 4,455.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,881.35 : 8,115.98 = 3,228.80 : x
  2. Step 2: Convert to fraction form
    5,881.35/8,115.98 = 3,228.80/x
  3. Step 3: Cross multiply
    5,881.35x = 8,115.98 × 3,228.80
  4. Step 4: Simplify right side
    5,881.35x = 26,204,876.22
  5. Step 5: Solve for x
    x = 26,204,876.22/5,881.35
  6. Step 6: Final answer
    x = 4,455.59

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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.