Home / 3,341.31-4,609.47-2,162.76

Finding the Fourth Proportional to 3,341.31, 4,609.47 and 2,162.76

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Solution

The fourth proportional to 3,341.31, 4,609.47 and 2,162.76 is: 2,983.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,341.31 : 4,609.47 = 2,162.76 : x
  2. Step 2: Convert to fraction form
    3,341.31/4,609.47 = 2,162.76/x
  3. Step 3: Cross multiply
    3,341.31x = 4,609.47 × 2,162.76
  4. Step 4: Simplify right side
    3,341.31x = 9,969,177.34
  5. Step 5: Solve for x
    x = 9,969,177.34/3,341.31
  6. Step 6: Final answer
    x = 2,983.61

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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.