Home / 4,936.20-7,404.30-4,609.80

Finding the Fourth Proportional to 4,936.20, 7,404.30 and 4,609.80

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Solution

The fourth proportional to 4,936.20, 7,404.30 and 4,609.80 is: 6,914.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,936.20 : 7,404.30 = 4,609.80 : x
  2. Step 2: Convert to fraction form
    4,936.20/7,404.30 = 4,609.80/x
  3. Step 3: Cross multiply
    4,936.20x = 7,404.30 × 4,609.80
  4. Step 4: Simplify right side
    4,936.20x = 34,132,342.14
  5. Step 5: Solve for x
    x = 34,132,342.14/4,936.20
  6. Step 6: Final answer
    x = 6,914.70

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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.