Home / 6,207.20-8,567.85-3,817.91

Finding the Fourth Proportional to 6,207.20, 8,567.85 and 3,817.91

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Solution

The fourth proportional to 6,207.20, 8,567.85 and 3,817.91 is: 5,269.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,207.20 : 8,567.85 = 3,817.91 : x
  2. Step 2: Convert to fraction form
    6,207.20/8,567.85 = 3,817.91/x
  3. Step 3: Cross multiply
    6,207.20x = 8,567.85 × 3,817.91
  4. Step 4: Simplify right side
    6,207.20x = 32,711,237.35
  5. Step 5: Solve for x
    x = 32,711,237.35/6,207.20
  6. Step 6: Final answer
    x = 5,269.89

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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.