Home / 6,225.84-8,591.76-3,431.34

Finding the Fourth Proportional to 6,225.84, 8,591.76 and 3,431.34

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Solution

The fourth proportional to 6,225.84, 8,591.76 and 3,431.34 is: 4,735.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,225.84 : 8,591.76 = 3,431.34 : x
  2. Step 2: Convert to fraction form
    6,225.84/8,591.76 = 3,431.34/x
  3. Step 3: Cross multiply
    6,225.84x = 8,591.76 × 3,431.34
  4. Step 4: Simplify right side
    6,225.84x = 29,481,249.76
  5. Step 5: Solve for x
    x = 29,481,249.76/6,225.84
  6. Step 6: Final answer
    x = 4,735.30

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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.