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Finding the Fourth Proportional to 4,874.32, 6,728.39 and 3,795.46

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Solution

The fourth proportional to 4,874.32, 6,728.39 and 3,795.46 is: 5,239.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,874.32 : 6,728.39 = 3,795.46 : x
  2. Step 2: Convert to fraction form
    4,874.32/6,728.39 = 3,795.46/x
  3. Step 3: Cross multiply
    4,874.32x = 6,728.39 × 3,795.46
  4. Step 4: Simplify right side
    4,874.32x = 25,537,316.13
  5. Step 5: Solve for x
    x = 25,537,316.13/4,874.32
  6. Step 6: Final answer
    x = 5,239.15

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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.