Home / 6,225.92-8,591.62-3,431.40

Finding the Fourth Proportional to 6,225.92, 8,591.62 and 3,431.40

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Solution

The fourth proportional to 6,225.92, 8,591.62 and 3,431.40 is: 4,735.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,225.92 : 8,591.62 = 3,431.40 : x
  2. Step 2: Convert to fraction form
    6,225.92/8,591.62 = 3,431.40/x
  3. Step 3: Cross multiply
    6,225.92x = 8,591.62 × 3,431.40
  4. Step 4: Simplify right side
    6,225.92x = 29,481,284.87
  5. Step 5: Solve for x
    x = 29,481,284.87/6,225.92
  6. Step 6: Final answer
    x = 4,735.25

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Half 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.