Home / 7,792.25-10,753.31-4,255.45

Finding the Fourth Proportional to 7,792.25, 10,753.31 and 4,255.45

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Solution

The fourth proportional to 7,792.25, 10,753.31 and 4,255.45 is: 5,872.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,792.25 : 10,753.31 = 4,255.45 : x
  2. Step 2: Convert to fraction form
    7,792.25/10,753.31 = 4,255.45/x
  3. Step 3: Cross multiply
    7,792.25x = 10,753.31 × 4,255.45
  4. Step 4: Simplify right side
    7,792.25x = 45,760,156.79
  5. Step 5: Solve for x
    x = 45,760,156.79/7,792.25
  6. Step 6: Final answer
    x = 5,872.53

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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.