Home / 6,220.24-8,583.76-3,425.68

Finding the Fourth Proportional to 6,220.24, 8,583.76 and 3,425.68

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Solution

The fourth proportional to 6,220.24, 8,583.76 and 3,425.68 is: 4,727.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220.24 : 8,583.76 = 3,425.68 : x
  2. Step 2: Convert to fraction form
    6,220.24/8,583.76 = 3,425.68/x
  3. Step 3: Cross multiply
    6,220.24x = 8,583.76 × 3,425.68
  4. Step 4: Simplify right side
    6,220.24x = 29,405,214.96
  5. Step 5: Solve for x
    x = 29,405,214.96/6,220.24
  6. Step 6: Final answer
    x = 4,727.34

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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.