Home / 4,080.92-5,631.58-2,288.38

Finding the Fourth Proportional to 4,080.92, 5,631.58 and 2,288.38

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Solution

The fourth proportional to 4,080.92, 5,631.58 and 2,288.38 is: 3,157.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.92 : 5,631.58 = 2,288.38 : x
  2. Step 2: Convert to fraction form
    4,080.92/5,631.58 = 2,288.38/x
  3. Step 3: Cross multiply
    4,080.92x = 5,631.58 × 2,288.38
  4. Step 4: Simplify right side
    4,080.92x = 12,887,195.04
  5. Step 5: Solve for x
    x = 12,887,195.04/4,080.92
  6. Step 6: Final answer
    x = 3,157.91

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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.