Home / 6,221.04-8,585.25-3,388.54

Finding the Fourth Proportional to 6,221.04, 8,585.25 and 3,388.54

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Solution

The fourth proportional to 6,221.04, 8,585.25 and 3,388.54 is: 4,676.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,221.04 : 8,585.25 = 3,388.54 : x
  2. Step 2: Convert to fraction form
    6,221.04/8,585.25 = 3,388.54/x
  3. Step 3: Cross multiply
    6,221.04x = 8,585.25 × 3,388.54
  4. Step 4: Simplify right side
    6,221.04x = 29,091,463.04
  5. Step 5: Solve for x
    x = 29,091,463.04/6,221.04
  6. Step 6: Final answer
    x = 4,676.30

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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.