Home / 5,997.39-8,280.80-3,874.16

Finding the Fourth Proportional to 5,997.39, 8,280.80 and 3,874.16

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Solution

The fourth proportional to 5,997.39, 8,280.80 and 3,874.16 is: 5,349.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,997.39 : 8,280.80 = 3,874.16 : x
  2. Step 2: Convert to fraction form
    5,997.39/8,280.80 = 3,874.16/x
  3. Step 3: Cross multiply
    5,997.39x = 8,280.80 × 3,874.16
  4. Step 4: Simplify right side
    5,997.39x = 32,081,159.99
  5. Step 5: Solve for x
    x = 32,081,159.99/5,997.39
  6. Step 6: Final answer
    x = 5,349.19

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.