Home / 7,372.28-10,170.44-4,981.48

Finding the Fourth Proportional to 7,372.28, 10,170.44 and 4,981.48

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Solution

The fourth proportional to 7,372.28, 10,170.44 and 4,981.48 is: 6,872.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,372.28 : 10,170.44 = 4,981.48 : x
  2. Step 2: Convert to fraction form
    7,372.28/10,170.44 = 4,981.48/x
  3. Step 3: Cross multiply
    7,372.28x = 10,170.44 × 4,981.48
  4. Step 4: Simplify right side
    7,372.28x = 50,663,843.45
  5. Step 5: Solve for x
    x = 50,663,843.45/7,372.28
  6. Step 6: Final answer
    x = 6,872.21

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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.