Home / 5,627.83-8,439.41-2,116.02

Finding the Fourth Proportional to 5,627.83, 8,439.41 and 2,116.02

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Solution

The fourth proportional to 5,627.83, 8,439.41 and 2,116.02 is: 3,173.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,627.83 : 8,439.41 = 2,116.02 : x
  2. Step 2: Convert to fraction form
    5,627.83/8,439.41 = 2,116.02/x
  3. Step 3: Cross multiply
    5,627.83x = 8,439.41 × 2,116.02
  4. Step 4: Simplify right side
    5,627.83x = 17,857,960.35
  5. Step 5: Solve for x
    x = 17,857,960.35/5,627.83
  6. Step 6: Final answer
    x = 3,173.15

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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.