Home / 5,500.94-7,591.32-3,143.16

Finding the Fourth Proportional to 5,500.94, 7,591.32 and 3,143.16

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Solution

The fourth proportional to 5,500.94, 7,591.32 and 3,143.16 is: 4,337.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,500.94 : 7,591.32 = 3,143.16 : x
  2. Step 2: Convert to fraction form
    5,500.94/7,591.32 = 3,143.16/x
  3. Step 3: Cross multiply
    5,500.94x = 7,591.32 × 3,143.16
  4. Step 4: Simplify right side
    5,500.94x = 23,860,733.37
  5. Step 5: Solve for x
    x = 23,860,733.37/5,500.94
  6. Step 6: Final answer
    x = 4,337.58

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.