Home / 4,178.25-6,269.16-2,097.18

Finding the Fourth Proportional to 4,178.25, 6,269.16 and 2,097.18

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Solution

The fourth proportional to 4,178.25, 6,269.16 and 2,097.18 is: 3,146.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.25 : 6,269.16 = 2,097.18 : x
  2. Step 2: Convert to fraction form
    4,178.25/6,269.16 = 2,097.18/x
  3. Step 3: Cross multiply
    4,178.25x = 6,269.16 × 2,097.18
  4. Step 4: Simplify right side
    4,178.25x = 13,147,556.97
  5. Step 5: Solve for x
    x = 13,147,556.97/4,178.25
  6. Step 6: Final answer
    x = 3,146.67

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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.