Home / 6,308.20-8,706.33-3,657.14

Finding the Fourth Proportional to 6,308.20, 8,706.33 and 3,657.14

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Solution

The fourth proportional to 6,308.20, 8,706.33 and 3,657.14 is: 5,047.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,308.20 : 8,706.33 = 3,657.14 : x
  2. Step 2: Convert to fraction form
    6,308.20/8,706.33 = 3,657.14/x
  3. Step 3: Cross multiply
    6,308.20x = 8,706.33 × 3,657.14
  4. Step 4: Simplify right side
    6,308.20x = 31,840,267.70
  5. Step 5: Solve for x
    x = 31,840,267.70/6,308.20
  6. Step 6: Final answer
    x = 5,047.44

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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.