Home / 6,363.19-8,781.30-3,530.62

Finding the Fourth Proportional to 6,363.19, 8,781.30 and 3,530.62

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Solution

The fourth proportional to 6,363.19, 8,781.30 and 3,530.62 is: 4,872.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,363.19 : 8,781.30 = 3,530.62 : x
  2. Step 2: Convert to fraction form
    6,363.19/8,781.30 = 3,530.62/x
  3. Step 3: Cross multiply
    6,363.19x = 8,781.30 × 3,530.62
  4. Step 4: Simplify right side
    6,363.19x = 31,003,433.41
  5. Step 5: Solve for x
    x = 31,003,433.41/6,363.19
  6. Step 6: Final answer
    x = 4,872.31

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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.