Home / 6,115.82-8,440.52-3,463.38

Finding the Fourth Proportional to 6,115.82, 8,440.52 and 3,463.38

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Solution

The fourth proportional to 6,115.82, 8,440.52 and 3,463.38 is: 4,779.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,115.82 : 8,440.52 = 3,463.38 : x
  2. Step 2: Convert to fraction form
    6,115.82/8,440.52 = 3,463.38/x
  3. Step 3: Cross multiply
    6,115.82x = 8,440.52 × 3,463.38
  4. Step 4: Simplify right side
    6,115.82x = 29,232,710.84
  5. Step 5: Solve for x
    x = 29,232,710.84/6,115.82
  6. Step 6: Final answer
    x = 4,779.86

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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.