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Finding the Fourth Proportional to 2,795.73, 3,858.12 and 1,536.90

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Solution

The fourth proportional to 2,795.73, 3,858.12 and 1,536.90 is: 2,120.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,795.73 : 3,858.12 = 1,536.90 : x
  2. Step 2: Convert to fraction form
    2,795.73/3,858.12 = 1,536.90/x
  3. Step 3: Cross multiply
    2,795.73x = 3,858.12 × 1,536.90
  4. Step 4: Simplify right side
    2,795.73x = 5,929,544.63
  5. Step 5: Solve for x
    x = 5,929,544.63/2,795.73
  6. Step 6: Final answer
    x = 2,120.93

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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.