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Finding the Fourth Proportional to 3,706.08, 5,115.08 and 2,214.88

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Solution

The fourth proportional to 3,706.08, 5,115.08 and 2,214.88 is: 3,056.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,706.08 : 5,115.08 = 2,214.88 : x
  2. Step 2: Convert to fraction form
    3,706.08/5,115.08 = 2,214.88/x
  3. Step 3: Cross multiply
    3,706.08x = 5,115.08 × 2,214.88
  4. Step 4: Simplify right side
    3,706.08x = 11,329,288.39
  5. Step 5: Solve for x
    x = 11,329,288.39/3,706.08
  6. Step 6: Final answer
    x = 3,056.95

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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.