Home / 4,228.17-5,840.21-3,231.20

Finding the Fourth Proportional to 4,228.17, 5,840.21 and 3,231.20

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Solution

The fourth proportional to 4,228.17, 5,840.21 and 3,231.20 is: 4,463.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,228.17 : 5,840.21 = 3,231.20 : x
  2. Step 2: Convert to fraction form
    4,228.17/5,840.21 = 3,231.20/x
  3. Step 3: Cross multiply
    4,228.17x = 5,840.21 × 3,231.20
  4. Step 4: Simplify right side
    4,228.17x = 18,870,865.43
  5. Step 5: Solve for x
    x = 18,870,865.43/4,228.17
  6. Step 6: Final answer
    x = 4,463.13

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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.