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Finding the Fourth Proportional to 2,838.57, 3,917.19 and 1,596.57

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Solution

The fourth proportional to 2,838.57, 3,917.19 and 1,596.57 is: 2,203.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,838.57 : 3,917.19 = 1,596.57 : x
  2. Step 2: Convert to fraction form
    2,838.57/3,917.19 = 1,596.57/x
  3. Step 3: Cross multiply
    2,838.57x = 3,917.19 × 1,596.57
  4. Step 4: Simplify right side
    2,838.57x = 6,254,068.04
  5. Step 5: Solve for x
    x = 6,254,068.04/2,838.57
  6. Step 6: Final answer
    x = 2,203.25

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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.