Home / 5,885.09-8,118.68-3,759.54

Finding the Fourth Proportional to 5,885.09, 8,118.68 and 3,759.54

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Solution

The fourth proportional to 5,885.09, 8,118.68 and 3,759.54 is: 5,186.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,885.09 : 8,118.68 = 3,759.54 : x
  2. Step 2: Convert to fraction form
    5,885.09/8,118.68 = 3,759.54/x
  3. Step 3: Cross multiply
    5,885.09x = 8,118.68 × 3,759.54
  4. Step 4: Simplify right side
    5,885.09x = 30,522,502.21
  5. Step 5: Solve for x
    x = 30,522,502.21/5,885.09
  6. Step 6: Final answer
    x = 5,186.41

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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.