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Finding the Fourth Proportional to 2,097.25, 2,894.28 and 1,153.08

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Solution

The fourth proportional to 2,097.25, 2,894.28 and 1,153.08 is: 1,591.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,097.25 : 2,894.28 = 1,153.08 : x
  2. Step 2: Convert to fraction form
    2,097.25/2,894.28 = 1,153.08/x
  3. Step 3: Cross multiply
    2,097.25x = 2,894.28 × 1,153.08
  4. Step 4: Simplify right side
    2,097.25x = 3,337,336.38
  5. Step 5: Solve for x
    x = 3,337,336.38/2,097.25
  6. Step 6: Final answer
    x = 1,591.29

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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.