Home / 2,621.92-3,619.92-1,824.96

Finding the Fourth Proportional to 2,621.92, 3,619.92 and 1,824.96

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Solution

The fourth proportional to 2,621.92, 3,619.92 and 1,824.96 is: 2,519.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621.92 : 3,619.92 = 1,824.96 : x
  2. Step 2: Convert to fraction form
    2,621.92/3,619.92 = 1,824.96/x
  3. Step 3: Cross multiply
    2,621.92x = 3,619.92 × 1,824.96
  4. Step 4: Simplify right side
    2,621.92x = 6,606,209.20
  5. Step 5: Solve for x
    x = 6,606,209.20/2,621.92
  6. Step 6: Final answer
    x = 2,519.61

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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.