Home / 3,114.22-4,303.24-2,228.48

Finding the Fourth Proportional to 3,114.22, 4,303.24 and 2,228.48

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Solution

The fourth proportional to 3,114.22, 4,303.24 and 2,228.48 is: 3,079.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114.22 : 4,303.24 = 2,228.48 : x
  2. Step 2: Convert to fraction form
    3,114.22/4,303.24 = 2,228.48/x
  3. Step 3: Cross multiply
    3,114.22x = 4,303.24 × 2,228.48
  4. Step 4: Simplify right side
    3,114.22x = 9,589,684.28
  5. Step 5: Solve for x
    x = 9,589,684.28/3,114.22
  6. Step 6: Final answer
    x = 3,079.32

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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.