Home / 6,120.35-8,446.05-3,467.69

Finding the Fourth Proportional to 6,120.35, 8,446.05 and 3,467.69

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Solution

The fourth proportional to 6,120.35, 8,446.05 and 3,467.69 is: 4,785.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120.35 : 8,446.05 = 3,467.69 : x
  2. Step 2: Convert to fraction form
    6,120.35/8,446.05 = 3,467.69/x
  3. Step 3: Cross multiply
    6,120.35x = 8,446.05 × 3,467.69
  4. Step 4: Simplify right side
    6,120.35x = 29,288,240.89
  5. Step 5: Solve for x
    x = 29,288,240.89/6,120.35
  6. Step 6: Final answer
    x = 4,785.39

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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.