Home / 3,324.21-4,588.11-1,908.12

Finding the Fourth Proportional to 3,324.21, 4,588.11 and 1,908.12

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Solution

The fourth proportional to 3,324.21, 4,588.11 and 1,908.12 is: 2,633.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,324.21 : 4,588.11 = 1,908.12 : x
  2. Step 2: Convert to fraction form
    3,324.21/4,588.11 = 1,908.12/x
  3. Step 3: Cross multiply
    3,324.21x = 4,588.11 × 1,908.12
  4. Step 4: Simplify right side
    3,324.21x = 8,754,664.45
  5. Step 5: Solve for x
    x = 8,754,664.45/3,324.21
  6. Step 6: Final answer
    x = 2,633.61

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Half scale
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Double scale
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Similar ratio
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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.