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Finding the Fourth Proportional to 5,357.12, 8,036.80 and 1,893.44

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Solution

The fourth proportional to 5,357.12, 8,036.80 and 1,893.44 is: 2,840.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,357.12 : 8,036.80 = 1,893.44 : x
  2. Step 2: Convert to fraction form
    5,357.12/8,036.80 = 1,893.44/x
  3. Step 3: Cross multiply
    5,357.12x = 8,036.80 × 1,893.44
  4. Step 4: Simplify right side
    5,357.12x = 15,217,198.59
  5. Step 5: Solve for x
    x = 15,217,198.59/5,357.12
  6. Step 6: Final answer
    x = 2,840.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.