Home / 6,440.94-8,885.46-4,552.56

Finding the Fourth Proportional to 6,440.94, 8,885.46 and 4,552.56

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Solution

The fourth proportional to 6,440.94, 8,885.46 and 4,552.56 is: 6,280.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,440.94 : 8,885.46 = 4,552.56 : x
  2. Step 2: Convert to fraction form
    6,440.94/8,885.46 = 4,552.56/x
  3. Step 3: Cross multiply
    6,440.94x = 8,885.46 × 4,552.56
  4. Step 4: Simplify right side
    6,440.94x = 40,451,589.78
  5. Step 5: Solve for x
    x = 40,451,589.78/6,440.94
  6. Step 6: Final answer
    x = 6,280.39

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Half scale
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Double scale
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Similar ratio
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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.