Home / 3,192.12-4,789.55-1,732.32

Finding the Fourth Proportional to 3,192.12, 4,789.55 and 1,732.32

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Solution

The fourth proportional to 3,192.12, 4,789.55 and 1,732.32 is: 2,599.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.12 : 4,789.55 = 1,732.32 : x
  2. Step 2: Convert to fraction form
    3,192.12/4,789.55 = 1,732.32/x
  3. Step 3: Cross multiply
    3,192.12x = 4,789.55 × 1,732.32
  4. Step 4: Simplify right side
    3,192.12x = 8,297,033.26
  5. Step 5: Solve for x
    x = 8,297,033.26/3,192.12
  6. Step 6: Final answer
    x = 2,599.22

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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.