Home / 3,042.41-4,201.52-2,100.62

Finding the Fourth Proportional to 3,042.41, 4,201.52 and 2,100.62

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Solution

The fourth proportional to 3,042.41, 4,201.52 and 2,100.62 is: 2,900.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,042.41 : 4,201.52 = 2,100.62 : x
  2. Step 2: Convert to fraction form
    3,042.41/4,201.52 = 2,100.62/x
  3. Step 3: Cross multiply
    3,042.41x = 4,201.52 × 2,100.62
  4. Step 4: Simplify right side
    3,042.41x = 8,825,796.94
  5. Step 5: Solve for x
    x = 8,825,796.94/3,042.41
  6. Step 6: Final answer
    x = 2,900.92

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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.