Home / 5,892.55-8,131.74-3,240.13

Finding the Fourth Proportional to 5,892.55, 8,131.74 and 3,240.13

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Solution

The fourth proportional to 5,892.55, 8,131.74 and 3,240.13 is: 4,471.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,892.55 : 8,131.74 = 3,240.13 : x
  2. Step 2: Convert to fraction form
    5,892.55/8,131.74 = 3,240.13/x
  3. Step 3: Cross multiply
    5,892.55x = 8,131.74 × 3,240.13
  4. Step 4: Simplify right side
    5,892.55x = 26,347,894.73
  5. Step 5: Solve for x
    x = 26,347,894.73/5,892.55
  6. Step 6: Final answer
    x = 4,471.39

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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.