Home / 4,084.14-6,128.52-2,209.98

Finding the Fourth Proportional to 4,084.14, 6,128.52 and 2,209.98

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Solution

The fourth proportional to 4,084.14, 6,128.52 and 2,209.98 is: 3,316.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,084.14 : 6,128.52 = 2,209.98 : x
  2. Step 2: Convert to fraction form
    4,084.14/6,128.52 = 2,209.98/x
  3. Step 3: Cross multiply
    4,084.14x = 6,128.52 × 2,209.98
  4. Step 4: Simplify right side
    4,084.14x = 13,543,906.63
  5. Step 5: Solve for x
    x = 13,543,906.63/4,084.14
  6. Step 6: Final answer
    x = 3,316.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.