Home / 3,229.16-4,457.60-2,182.64

Finding the Fourth Proportional to 3,229.16, 4,457.60 and 2,182.64

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Solution

The fourth proportional to 3,229.16, 4,457.60 and 2,182.64 is: 3,012.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,229.16 : 4,457.60 = 2,182.64 : x
  2. Step 2: Convert to fraction form
    3,229.16/4,457.60 = 2,182.64/x
  3. Step 3: Cross multiply
    3,229.16x = 4,457.60 × 2,182.64
  4. Step 4: Simplify right side
    3,229.16x = 9,729,336.06
  5. Step 5: Solve for x
    x = 9,729,336.06/3,229.16
  6. Step 6: Final answer
    x = 3,012.96

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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.