Home / 4,180.08-6,270.12-3,981

Finding the Fourth Proportional to 4,180.08, 6,270.12 and 3,981

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Solution

The fourth proportional to 4,180.08, 6,270.12 and 3,981 is: 5,971.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,180.08 : 6,270.12 = 3,981 : x
  2. Step 2: Convert to fraction form
    4,180.08/6,270.12 = 3,981/x
  3. Step 3: Cross multiply
    4,180.08x = 6,270.12 × 3,981
  4. Step 4: Simplify right side
    4,180.08x = 24,961,347.72
  5. Step 5: Solve for x
    x = 24,961,347.72/4,180.08
  6. Step 6: Final answer
    x = 5,971.50

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.