Home / 5,968.49-8,236.15-3,315.80

Finding the Fourth Proportional to 5,968.49, 8,236.15 and 3,315.80

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Solution

The fourth proportional to 5,968.49, 8,236.15 and 3,315.80 is: 4,575.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,968.49 : 8,236.15 = 3,315.80 : x
  2. Step 2: Convert to fraction form
    5,968.49/8,236.15 = 3,315.80/x
  3. Step 3: Cross multiply
    5,968.49x = 8,236.15 × 3,315.80
  4. Step 4: Simplify right side
    5,968.49x = 27,309,438.47
  5. Step 5: Solve for x
    x = 27,309,438.47/5,968.49
  6. Step 6: Final answer
    x = 4,575.61

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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.