Home / 3,080.66-4,247.24-2,272.68

Finding the Fourth Proportional to 3,080.66, 4,247.24 and 2,272.68

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Solution

The fourth proportional to 3,080.66, 4,247.24 and 2,272.68 is: 3,133.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.66 : 4,247.24 = 2,272.68 : x
  2. Step 2: Convert to fraction form
    3,080.66/4,247.24 = 2,272.68/x
  3. Step 3: Cross multiply
    3,080.66x = 4,247.24 × 2,272.68
  4. Step 4: Simplify right side
    3,080.66x = 9,652,606.04
  5. Step 5: Solve for x
    x = 9,652,606.04/3,080.66
  6. Step 6: Final answer
    x = 3,133.30

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Half scale
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Double scale
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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.