Home / 3,276.08-4,519.84-1,949.60

Finding the Fourth Proportional to 3,276.08, 4,519.84 and 1,949.60

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Solution

The fourth proportional to 3,276.08, 4,519.84 and 1,949.60 is: 2,689.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.08 : 4,519.84 = 1,949.60 : x
  2. Step 2: Convert to fraction form
    3,276.08/4,519.84 = 1,949.60/x
  3. Step 3: Cross multiply
    3,276.08x = 4,519.84 × 1,949.60
  4. Step 4: Simplify right side
    3,276.08x = 8,811,880.06
  5. Step 5: Solve for x
    x = 8,811,880.06/3,276.08
  6. Step 6: Final answer
    x = 2,689.76

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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.