Home / 6,115.41-8,442.77-4,025.61

Finding the Fourth Proportional to 6,115.41, 8,442.77 and 4,025.61

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Solution

The fourth proportional to 6,115.41, 8,442.77 and 4,025.61 is: 5,557.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,115.41 : 8,442.77 = 4,025.61 : x
  2. Step 2: Convert to fraction form
    6,115.41/8,442.77 = 4,025.61/x
  3. Step 3: Cross multiply
    6,115.41x = 8,442.77 × 4,025.61
  4. Step 4: Simplify right side
    6,115.41x = 33,987,279.21
  5. Step 5: Solve for x
    x = 33,987,279.21/6,115.41
  6. Step 6: Final answer
    x = 5,557.65

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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.