Home / 6,120.39-8,446.11-3,467.91

Finding the Fourth Proportional to 6,120.39, 8,446.11 and 3,467.91

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Solution

The fourth proportional to 6,120.39, 8,446.11 and 3,467.91 is: 4,785.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120.39 : 8,446.11 = 3,467.91 : x
  2. Step 2: Convert to fraction form
    6,120.39/8,446.11 = 3,467.91/x
  3. Step 3: Cross multiply
    6,120.39x = 8,446.11 × 3,467.91
  4. Step 4: Simplify right side
    6,120.39x = 29,290,368.00
  5. Step 5: Solve for x
    x = 29,290,368.00/6,120.39
  6. Step 6: Final answer
    x = 4,785.70

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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.