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Finding the Fourth Proportional to 2,791.52, 3,852.30 and 1,612.59

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Solution

The fourth proportional to 2,791.52, 3,852.30 and 1,612.59 is: 2,225.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791.52 : 3,852.30 = 1,612.59 : x
  2. Step 2: Convert to fraction form
    2,791.52/3,852.30 = 1,612.59/x
  3. Step 3: Cross multiply
    2,791.52x = 3,852.30 × 1,612.59
  4. Step 4: Simplify right side
    2,791.52x = 6,212,172.39
  5. Step 5: Solve for x
    x = 6,212,172.39/2,791.52
  6. Step 6: Final answer
    x = 2,225.38

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1.5x scale

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.