Home / 3,170.18-4,374.17-1,843.18

Finding the Fourth Proportional to 3,170.18, 4,374.17 and 1,843.18

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Solution

The fourth proportional to 3,170.18, 4,374.17 and 1,843.18 is: 2,543.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170.18 : 4,374.17 = 1,843.18 : x
  2. Step 2: Convert to fraction form
    3,170.18/4,374.17 = 1,843.18/x
  3. Step 3: Cross multiply
    3,170.18x = 4,374.17 × 1,843.18
  4. Step 4: Simplify right side
    3,170.18x = 8,062,382.66
  5. Step 5: Solve for x
    x = 8,062,382.66/3,170.18
  6. Step 6: Final answer
    x = 2,543.19

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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.