Home / 4,150.20-5,727.60-2,382.40

Finding the Fourth Proportional to 4,150.20, 5,727.60 and 2,382.40

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Solution

The fourth proportional to 4,150.20, 5,727.60 and 2,382.40 is: 3,287.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,150.20 : 5,727.60 = 2,382.40 : x
  2. Step 2: Convert to fraction form
    4,150.20/5,727.60 = 2,382.40/x
  3. Step 3: Cross multiply
    4,150.20x = 5,727.60 × 2,382.40
  4. Step 4: Simplify right side
    4,150.20x = 13,645,434.24
  5. Step 5: Solve for x
    x = 13,645,434.24/4,150.20
  6. Step 6: Final answer
    x = 3,287.90

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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.