Home / 3,520.72-5,289.28-2,060.90

Finding the Fourth Proportional to 3,520.72, 5,289.28 and 2,060.90

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Solution

The fourth proportional to 3,520.72, 5,289.28 and 2,060.90 is: 3,096.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.72 : 5,289.28 = 2,060.90 : x
  2. Step 2: Convert to fraction form
    3,520.72/5,289.28 = 2,060.90/x
  3. Step 3: Cross multiply
    3,520.72x = 5,289.28 × 2,060.90
  4. Step 4: Simplify right side
    3,520.72x = 10,900,645.55
  5. Step 5: Solve for x
    x = 10,900,645.55/3,520.72
  6. Step 6: Final answer
    x = 3,096.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.