Home / 5,086.98-7,630.47-2,163.42

Finding the Fourth Proportional to 5,086.98, 7,630.47 and 2,163.42

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Solution

The fourth proportional to 5,086.98, 7,630.47 and 2,163.42 is: 3,245.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,086.98 : 7,630.47 = 2,163.42 : x
  2. Step 2: Convert to fraction form
    5,086.98/7,630.47 = 2,163.42/x
  3. Step 3: Cross multiply
    5,086.98x = 7,630.47 × 2,163.42
  4. Step 4: Simplify right side
    5,086.98x = 16,507,911.41
  5. Step 5: Solve for x
    x = 16,507,911.41/5,086.98
  6. Step 6: Final answer
    x = 3,245.13

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Double scale
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Similar ratio
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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.