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Finding the Fourth Proportional to 6,370.25, 8,792.75 and 3,719.12

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Solution

The fourth proportional to 6,370.25, 8,792.75 and 3,719.12 is: 5,133.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,370.25 : 8,792.75 = 3,719.12 : x
  2. Step 2: Convert to fraction form
    6,370.25/8,792.75 = 3,719.12/x
  3. Step 3: Cross multiply
    6,370.25x = 8,792.75 × 3,719.12
  4. Step 4: Simplify right side
    6,370.25x = 32,701,257.71
  5. Step 5: Solve for x
    x = 32,701,257.71/6,370.25
  6. Step 6: Final answer
    x = 5,133.44

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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.