Home / 2,724.64-3,757.60-2,164.24

Finding the Fourth Proportional to 2,724.64, 3,757.60 and 2,164.24

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Solution

The fourth proportional to 2,724.64, 3,757.60 and 2,164.24 is: 2,984.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,724.64 : 3,757.60 = 2,164.24 : x
  2. Step 2: Convert to fraction form
    2,724.64/3,757.60 = 2,164.24/x
  3. Step 3: Cross multiply
    2,724.64x = 3,757.60 × 2,164.24
  4. Step 4: Simplify right side
    2,724.64x = 8,132,348.22
  5. Step 5: Solve for x
    x = 8,132,348.22/2,724.64
  6. Step 6: Final answer
    x = 2,984.74

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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.