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Finding the Fourth Proportional to 5,483.29, 8,226.15 and 2,560

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Solution

The fourth proportional to 5,483.29, 8,226.15 and 2,560 is: 3,840.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,483.29 : 8,226.15 = 2,560 : x
  2. Step 2: Convert to fraction form
    5,483.29/8,226.15 = 2,560/x
  3. Step 3: Cross multiply
    5,483.29x = 8,226.15 × 2,560
  4. Step 4: Simplify right side
    5,483.29x = 21,058,944
  5. Step 5: Solve for x
    x = 21,058,944/5,483.29
  6. Step 6: Final answer
    x = 3,840.57

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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.