Home / 3,031.33-4,190.91-2,662.15

Finding the Fourth Proportional to 3,031.33, 4,190.91 and 2,662.15

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Solution

The fourth proportional to 3,031.33, 4,190.91 and 2,662.15 is: 3,680.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.33 : 4,190.91 = 2,662.15 : x
  2. Step 2: Convert to fraction form
    3,031.33/4,190.91 = 2,662.15/x
  3. Step 3: Cross multiply
    3,031.33x = 4,190.91 × 2,662.15
  4. Step 4: Simplify right side
    3,031.33x = 11,156,817.75
  5. Step 5: Solve for x
    x = 11,156,817.75/3,031.33
  6. Step 6: Final answer
    x = 3,680.50

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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.