Home / 5,892.75-8,131.79-3,240.15

Finding the Fourth Proportional to 5,892.75, 8,131.79 and 3,240.15

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Solution

The fourth proportional to 5,892.75, 8,131.79 and 3,240.15 is: 4,471.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,892.75 : 8,131.79 = 3,240.15 : x
  2. Step 2: Convert to fraction form
    5,892.75/8,131.79 = 3,240.15/x
  3. Step 3: Cross multiply
    5,892.75x = 8,131.79 × 3,240.15
  4. Step 4: Simplify right side
    5,892.75x = 26,348,219.37
  5. Step 5: Solve for x
    x = 26,348,219.37/5,892.75
  6. Step 6: Final answer
    x = 4,471.29

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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.