Home / 2,511.64-3,466-1,392.56

Finding the Fourth Proportional to 2,511.64, 3,466 and 1,392.56

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Solution

The fourth proportional to 2,511.64, 3,466 and 1,392.56 is: 1,921.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,511.64 : 3,466 = 1,392.56 : x
  2. Step 2: Convert to fraction form
    2,511.64/3,466 = 1,392.56/x
  3. Step 3: Cross multiply
    2,511.64x = 3,466 × 1,392.56
  4. Step 4: Simplify right side
    2,511.64x = 4,826,612.96
  5. Step 5: Solve for x
    x = 4,826,612.96/2,511.64
  6. Step 6: Final answer
    x = 1,921.70

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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.