Home / 5,503.50-8,251.44-2,215.68

Finding the Fourth Proportional to 5,503.50, 8,251.44 and 2,215.68

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Solution

The fourth proportional to 5,503.50, 8,251.44 and 2,215.68 is: 3,321.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,503.50 : 8,251.44 = 2,215.68 : x
  2. Step 2: Convert to fraction form
    5,503.50/8,251.44 = 2,215.68/x
  3. Step 3: Cross multiply
    5,503.50x = 8,251.44 × 2,215.68
  4. Step 4: Simplify right side
    5,503.50x = 18,282,550.58
  5. Step 5: Solve for x
    x = 18,282,550.58/5,503.50
  6. Step 6: Final answer
    x = 3,321.99

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Half scale
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Double 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.