Home / 5,951.40-8,212.17-3,298.78

Finding the Fourth Proportional to 5,951.40, 8,212.17 and 3,298.78

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Solution

The fourth proportional to 5,951.40, 8,212.17 and 3,298.78 is: 4,551.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,951.40 : 8,212.17 = 3,298.78 : x
  2. Step 2: Convert to fraction form
    5,951.40/8,212.17 = 3,298.78/x
  3. Step 3: Cross multiply
    5,951.40x = 8,212.17 × 3,298.78
  4. Step 4: Simplify right side
    5,951.40x = 27,090,142.15
  5. Step 5: Solve for x
    x = 27,090,142.15/5,951.40
  6. Step 6: Final answer
    x = 4,551.89

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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.