Home / 3,098.16-4,273.58-1,838.39

Finding the Fourth Proportional to 3,098.16, 4,273.58 and 1,838.39

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Solution

The fourth proportional to 3,098.16, 4,273.58 and 1,838.39 is: 2,535.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,098.16 : 4,273.58 = 1,838.39 : x
  2. Step 2: Convert to fraction form
    3,098.16/4,273.58 = 1,838.39/x
  3. Step 3: Cross multiply
    3,098.16x = 4,273.58 × 1,838.39
  4. Step 4: Simplify right side
    3,098.16x = 7,856,489.96
  5. Step 5: Solve for x
    x = 7,856,489.96/3,098.16
  6. Step 6: Final answer
    x = 2,535.86

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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.