Home / 3,795.21-5,234.67-3,087.07

Finding the Fourth Proportional to 3,795.21, 5,234.67 and 3,087.07

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Solution

The fourth proportional to 3,795.21, 5,234.67 and 3,087.07 is: 4,257.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,795.21 : 5,234.67 = 3,087.07 : x
  2. Step 2: Convert to fraction form
    3,795.21/5,234.67 = 3,087.07/x
  3. Step 3: Cross multiply
    3,795.21x = 5,234.67 × 3,087.07
  4. Step 4: Simplify right side
    3,795.21x = 16,159,792.72
  5. Step 5: Solve for x
    x = 16,159,792.72/3,795.21
  6. Step 6: Final answer
    x = 4,257.94

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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.