Home / 3,184.83-4,396.32-2,005.68

Finding the Fourth Proportional to 3,184.83, 4,396.32 and 2,005.68

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Solution

The fourth proportional to 3,184.83, 4,396.32 and 2,005.68 is: 2,768.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,184.83 : 4,396.32 = 2,005.68 : x
  2. Step 2: Convert to fraction form
    3,184.83/4,396.32 = 2,005.68/x
  3. Step 3: Cross multiply
    3,184.83x = 4,396.32 × 2,005.68
  4. Step 4: Simplify right side
    3,184.83x = 8,817,611.10
  5. Step 5: Solve for x
    x = 8,817,611.10/3,184.83
  6. Step 6: Final answer
    x = 2,768.63

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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.