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Finding the Fourth Proportional to 2,825.34, 3,898.98 and 1,583.34

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Solution

The fourth proportional to 2,825.34, 3,898.98 and 1,583.34 is: 2,185.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825.34 : 3,898.98 = 1,583.34 : x
  2. Step 2: Convert to fraction form
    2,825.34/3,898.98 = 1,583.34/x
  3. Step 3: Cross multiply
    2,825.34x = 3,898.98 × 1,583.34
  4. Step 4: Simplify right side
    2,825.34x = 6,173,410.99
  5. Step 5: Solve for x
    x = 6,173,410.99/2,825.34
  6. Step 6: Final answer
    x = 2,185.02

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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.