Home / 6,225.82-8,591.61-3,431.32

Finding the Fourth Proportional to 6,225.82, 8,591.61 and 3,431.32

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Solution

The fourth proportional to 6,225.82, 8,591.61 and 3,431.32 is: 4,735.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,225.82 : 8,591.61 = 3,431.32 : x
  2. Step 2: Convert to fraction form
    6,225.82/8,591.61 = 3,431.32/x
  3. Step 3: Cross multiply
    6,225.82x = 8,591.61 × 3,431.32
  4. Step 4: Simplify right side
    6,225.82x = 29,480,563.23
  5. Step 5: Solve for x
    x = 29,480,563.23/6,225.82
  6. Step 6: Final answer
    x = 4,735.21

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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.