Home / 3,031.16-4,182.88-1,704.92

Finding the Fourth Proportional to 3,031.16, 4,182.88 and 1,704.92

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Solution

The fourth proportional to 3,031.16, 4,182.88 and 1,704.92 is: 2,352.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.16 : 4,182.88 = 1,704.92 : x
  2. Step 2: Convert to fraction form
    3,031.16/4,182.88 = 1,704.92/x
  3. Step 3: Cross multiply
    3,031.16x = 4,182.88 × 1,704.92
  4. Step 4: Simplify right side
    3,031.16x = 7,131,475.77
  5. Step 5: Solve for x
    x = 7,131,475.77/3,031.16
  6. Step 6: Final answer
    x = 2,352.72

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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.