Home / 3,157.92-4,733.24-1,984.23

Finding the Fourth Proportional to 3,157.92, 4,733.24 and 1,984.23

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Solution

The fourth proportional to 3,157.92, 4,733.24 and 1,984.23 is: 2,974.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157.92 : 4,733.24 = 1,984.23 : x
  2. Step 2: Convert to fraction form
    3,157.92/4,733.24 = 1,984.23/x
  3. Step 3: Cross multiply
    3,157.92x = 4,733.24 × 1,984.23
  4. Step 4: Simplify right side
    3,157.92x = 9,391,826.88
  5. Step 5: Solve for x
    x = 9,391,826.88/3,157.92
  6. Step 6: Final answer
    x = 2,974.05

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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.