Home / 4,083.38-6,126.21-1,310.21

Finding the Fourth Proportional to 4,083.38, 6,126.21 and 1,310.21

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Solution

The fourth proportional to 4,083.38, 6,126.21 and 1,310.21 is: 1,965.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,083.38 : 6,126.21 = 1,310.21 : x
  2. Step 2: Convert to fraction form
    4,083.38/6,126.21 = 1,310.21/x
  3. Step 3: Cross multiply
    4,083.38x = 6,126.21 × 1,310.21
  4. Step 4: Simplify right side
    4,083.38x = 8,026,621.60
  5. Step 5: Solve for x
    x = 8,026,621.60/4,083.38
  6. Step 6: Final answer
    x = 1,965.68

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.