Home / 3,031.21-4,182.92-1,704.84

Finding the Fourth Proportional to 3,031.21, 4,182.92 and 1,704.84

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Solution

The fourth proportional to 3,031.21, 4,182.92 and 1,704.84 is: 2,352.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.21 : 4,182.92 = 1,704.84 : x
  2. Step 2: Convert to fraction form
    3,031.21/4,182.92 = 1,704.84/x
  3. Step 3: Cross multiply
    3,031.21x = 4,182.92 × 1,704.84
  4. Step 4: Simplify right side
    3,031.21x = 7,131,191.52
  5. Step 5: Solve for x
    x = 7,131,191.52/3,031.21
  6. Step 6: Final answer
    x = 2,352.59

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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.