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Finding the Fourth Proportional to 1,583.44, 2,185.14 and 884.82

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Solution

The fourth proportional to 1,583.44, 2,185.14 and 884.82 is: 1,221.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,583.44 : 2,185.14 = 884.82 : x
  2. Step 2: Convert to fraction form
    1,583.44/2,185.14 = 884.82/x
  3. Step 3: Cross multiply
    1,583.44x = 2,185.14 × 884.82
  4. Step 4: Simplify right side
    1,583.44x = 1,933,455.57
  5. Step 5: Solve for x
    x = 1,933,455.57/1,583.44
  6. Step 6: Final answer
    x = 1,221.05

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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.