Home / 7,792.28-10,753.40-4,255.50

Finding the Fourth Proportional to 7,792.28, 10,753.40 and 4,255.50

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Solution

The fourth proportional to 7,792.28, 10,753.40 and 4,255.50 is: 5,872.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,792.28 : 10,753.40 = 4,255.50 : x
  2. Step 2: Convert to fraction form
    7,792.28/10,753.40 = 4,255.50/x
  3. Step 3: Cross multiply
    7,792.28x = 10,753.40 × 4,255.50
  4. Step 4: Simplify right side
    7,792.28x = 45,761,093.70
  5. Step 5: Solve for x
    x = 45,761,093.70/7,792.28
  6. Step 6: Final answer
    x = 5,872.62

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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.