Home / 5,491.44-8,240.40-2,031.12

Finding the Fourth Proportional to 5,491.44, 8,240.40 and 2,031.12

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Solution

The fourth proportional to 5,491.44, 8,240.40 and 2,031.12 is: 3,047.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,491.44 : 8,240.40 = 2,031.12 : x
  2. Step 2: Convert to fraction form
    5,491.44/8,240.40 = 2,031.12/x
  3. Step 3: Cross multiply
    5,491.44x = 8,240.40 × 2,031.12
  4. Step 4: Simplify right side
    5,491.44x = 16,737,241.25
  5. Step 5: Solve for x
    x = 16,737,241.25/5,491.44
  6. Step 6: Final answer
    x = 3,047.88

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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.