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Finding the Fourth Proportional to 2,795.26, 4,192.89 and 715.27

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Solution

The fourth proportional to 2,795.26, 4,192.89 and 715.27 is: 1,072.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,795.26 : 4,192.89 = 715.27 : x
  2. Step 2: Convert to fraction form
    2,795.26/4,192.89 = 715.27/x
  3. Step 3: Cross multiply
    2,795.26x = 4,192.89 × 715.27
  4. Step 4: Simplify right side
    2,795.26x = 2,999,048.43
  5. Step 5: Solve for x
    x = 2,999,048.43/2,795.26
  6. Step 6: Final answer
    x = 1,072.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.