Home / 6,042.83-8,335.41-3,998.72

Finding the Fourth Proportional to 6,042.83, 8,335.41 and 3,998.72

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Solution

The fourth proportional to 6,042.83, 8,335.41 and 3,998.72 is: 5,515.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,042.83 : 8,335.41 = 3,998.72 : x
  2. Step 2: Convert to fraction form
    6,042.83/8,335.41 = 3,998.72/x
  3. Step 3: Cross multiply
    6,042.83x = 8,335.41 × 3,998.72
  4. Step 4: Simplify right side
    6,042.83x = 33,330,970.68
  5. Step 5: Solve for x
    x = 33,330,970.68/6,042.83
  6. Step 6: Final answer
    x = 5,515.79

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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.