Home / 5,087.23-7,630.86-2,163.49

Finding the Fourth Proportional to 5,087.23, 7,630.86 and 2,163.49

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Solution

The fourth proportional to 5,087.23, 7,630.86 and 2,163.49 is: 3,245.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.23 : 7,630.86 = 2,163.49 : x
  2. Step 2: Convert to fraction form
    5,087.23/7,630.86 = 2,163.49/x
  3. Step 3: Cross multiply
    5,087.23x = 7,630.86 × 2,163.49
  4. Step 4: Simplify right side
    5,087.23x = 16,509,289.30
  5. Step 5: Solve for x
    x = 16,509,289.30/5,087.23
  6. Step 6: Final answer
    x = 3,245.24

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Half scale
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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.