Home / 6,217.71-9,319.78-3,100.02

Finding the Fourth Proportional to 6,217.71, 9,319.78 and 3,100.02

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Solution

The fourth proportional to 6,217.71, 9,319.78 and 3,100.02 is: 4,646.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,217.71 : 9,319.78 = 3,100.02 : x
  2. Step 2: Convert to fraction form
    6,217.71/9,319.78 = 3,100.02/x
  3. Step 3: Cross multiply
    6,217.71x = 9,319.78 × 3,100.02
  4. Step 4: Simplify right side
    6,217.71x = 28,891,504.40
  5. Step 5: Solve for x
    x = 28,891,504.40/6,217.71
  6. Step 6: Final answer
    x = 4,646.65

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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.