Home / 5,384.20-8,070.90-2,464.60

Finding the Fourth Proportional to 5,384.20, 8,070.90 and 2,464.60

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Solution

The fourth proportional to 5,384.20, 8,070.90 and 2,464.60 is: 3,694.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,384.20 : 8,070.90 = 2,464.60 : x
  2. Step 2: Convert to fraction form
    5,384.20/8,070.90 = 2,464.60/x
  3. Step 3: Cross multiply
    5,384.20x = 8,070.90 × 2,464.60
  4. Step 4: Simplify right side
    5,384.20x = 19,891,540.14
  5. Step 5: Solve for x
    x = 19,891,540.14/5,384.20
  6. Step 6: Final answer
    x = 3,694.43

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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.