Home / 5,967.78-8,234.56-3,450.23

Finding the Fourth Proportional to 5,967.78, 8,234.56 and 3,450.23

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Solution

The fourth proportional to 5,967.78, 8,234.56 and 3,450.23 is: 4,760.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,967.78 : 8,234.56 = 3,450.23 : x
  2. Step 2: Convert to fraction form
    5,967.78/8,234.56 = 3,450.23/x
  3. Step 3: Cross multiply
    5,967.78x = 8,234.56 × 3,450.23
  4. Step 4: Simplify right side
    5,967.78x = 28,411,119.97
  5. Step 5: Solve for x
    x = 28,411,119.97/5,967.78
  6. Step 6: Final answer
    x = 4,760.75

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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.