Home / 3,311.92-4,573.68-3,000.88

Finding the Fourth Proportional to 3,311.92, 4,573.68 and 3,000.88

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Solution

The fourth proportional to 3,311.92, 4,573.68 and 3,000.88 is: 4,144.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311.92 : 4,573.68 = 3,000.88 : x
  2. Step 2: Convert to fraction form
    3,311.92/4,573.68 = 3,000.88/x
  3. Step 3: Cross multiply
    3,311.92x = 4,573.68 × 3,000.88
  4. Step 4: Simplify right side
    3,311.92x = 13,725,064.84
  5. Step 5: Solve for x
    x = 13,725,064.84/3,311.92
  6. Step 6: Final answer
    x = 4,144.14

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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.