Home / 3,031.28-4,183.12-1,704.98

Finding the Fourth Proportional to 3,031.28, 4,183.12 and 1,704.98

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Solution

The fourth proportional to 3,031.28, 4,183.12 and 1,704.98 is: 2,352.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.28 : 4,183.12 = 1,704.98 : x
  2. Step 2: Convert to fraction form
    3,031.28/4,183.12 = 1,704.98/x
  3. Step 3: Cross multiply
    3,031.28x = 4,183.12 × 1,704.98
  4. Step 4: Simplify right side
    3,031.28x = 7,132,131.68
  5. Step 5: Solve for x
    x = 7,132,131.68/3,031.28
  6. Step 6: Final answer
    x = 2,352.85

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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.