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Finding the Fourth Proportional to 2,774.97, 3,829.50 and 1,516.05

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Solution

The fourth proportional to 2,774.97, 3,829.50 and 1,516.05 is: 2,092.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,774.97 : 3,829.50 = 1,516.05 : x
  2. Step 2: Convert to fraction form
    2,774.97/3,829.50 = 1,516.05/x
  3. Step 3: Cross multiply
    2,774.97x = 3,829.50 × 1,516.05
  4. Step 4: Simplify right side
    2,774.97x = 5,805,713.48
  5. Step 5: Solve for x
    x = 5,805,713.48/2,774.97
  6. Step 6: Final answer
    x = 2,092.17

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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.