Home / 5,252.44-7,880.46-1,792.12

Finding the Fourth Proportional to 5,252.44, 7,880.46 and 1,792.12

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Solution

The fourth proportional to 5,252.44, 7,880.46 and 1,792.12 is: 2,688.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,252.44 : 7,880.46 = 1,792.12 : x
  2. Step 2: Convert to fraction form
    5,252.44/7,880.46 = 1,792.12/x
  3. Step 3: Cross multiply
    5,252.44x = 7,880.46 × 1,792.12
  4. Step 4: Simplify right side
    5,252.44x = 14,122,729.98
  5. Step 5: Solve for x
    x = 14,122,729.98/5,252.44
  6. Step 6: Final answer
    x = 2,688.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.