Home / 4,961.48-7,445.18-2,190.37

Finding the Fourth Proportional to 4,961.48, 7,445.18 and 2,190.37

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Solution

The fourth proportional to 4,961.48, 7,445.18 and 2,190.37 is: 3,286.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,961.48 : 7,445.18 = 2,190.37 : x
  2. Step 2: Convert to fraction form
    4,961.48/7,445.18 = 2,190.37/x
  3. Step 3: Cross multiply
    4,961.48x = 7,445.18 × 2,190.37
  4. Step 4: Simplify right side
    4,961.48x = 16,307,698.92
  5. Step 5: Solve for x
    x = 16,307,698.92/4,961.48
  6. Step 6: Final answer
    x = 3,286.86

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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.