Home / 3,231.28-4,461.65-2,349.19

Finding the Fourth Proportional to 3,231.28, 4,461.65 and 2,349.19

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Solution

The fourth proportional to 3,231.28, 4,461.65 and 2,349.19 is: 3,243.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.28 : 4,461.65 = 2,349.19 : x
  2. Step 2: Convert to fraction form
    3,231.28/4,461.65 = 2,349.19/x
  3. Step 3: Cross multiply
    3,231.28x = 4,461.65 × 2,349.19
  4. Step 4: Simplify right side
    3,231.28x = 10,481,263.56
  5. Step 5: Solve for x
    x = 10,481,263.56/3,231.28
  6. Step 6: Final answer
    x = 3,243.69

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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.