Home / 4,893.20-7,331.70-4,164.20

Finding the Fourth Proportional to 4,893.20, 7,331.70 and 4,164.20

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Solution

The fourth proportional to 4,893.20, 7,331.70 and 4,164.20 is: 6,239.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,893.20 : 7,331.70 = 4,164.20 : x
  2. Step 2: Convert to fraction form
    4,893.20/7,331.70 = 4,164.20/x
  3. Step 3: Cross multiply
    4,893.20x = 7,331.70 × 4,164.20
  4. Step 4: Simplify right side
    4,893.20x = 30,530,665.14
  5. Step 5: Solve for x
    x = 30,530,665.14/4,893.20
  6. Step 6: Final answer
    x = 6,239.41

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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.