Home / 5,498.38-8,247.57-2,420.38

Finding the Fourth Proportional to 5,498.38, 8,247.57 and 2,420.38

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Solution

The fourth proportional to 5,498.38, 8,247.57 and 2,420.38 is: 3,630.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,498.38 : 8,247.57 = 2,420.38 : x
  2. Step 2: Convert to fraction form
    5,498.38/8,247.57 = 2,420.38/x
  3. Step 3: Cross multiply
    5,498.38x = 8,247.57 × 2,420.38
  4. Step 4: Simplify right side
    5,498.38x = 19,962,200.14
  5. Step 5: Solve for x
    x = 19,962,200.14/5,498.38
  6. Step 6: Final answer
    x = 3,630.56

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1.5x scale

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.