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Finding the Fourth Proportional to 4,840.54, 6,683.72 and 3,719.70

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Solution

The fourth proportional to 4,840.54, 6,683.72 and 3,719.70 is: 5,136.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,840.54 : 6,683.72 = 3,719.70 : x
  2. Step 2: Convert to fraction form
    4,840.54/6,683.72 = 3,719.70/x
  3. Step 3: Cross multiply
    4,840.54x = 6,683.72 × 3,719.70
  4. Step 4: Simplify right side
    4,840.54x = 24,861,433.28
  5. Step 5: Solve for x
    x = 24,861,433.28/4,840.54
  6. Step 6: Final answer
    x = 5,136.09

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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.