Home / 7,581.99-11,372.99-2,961.75

Finding the Fourth Proportional to 7,581.99, 11,372.99 and 2,961.75

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Solution

The fourth proportional to 7,581.99, 11,372.99 and 2,961.75 is: 4,442.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,581.99 : 11,372.99 = 2,961.75 : x
  2. Step 2: Convert to fraction form
    7,581.99/11,372.99 = 2,961.75/x
  3. Step 3: Cross multiply
    7,581.99x = 11,372.99 × 2,961.75
  4. Step 4: Simplify right side
    7,581.99x = 33,683,938.32
  5. Step 5: Solve for x
    x = 33,683,938.32/7,581.99
  6. Step 6: Final answer
    x = 4,442.63

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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.