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Finding the Fourth Proportional to 4,893.78, 6,751.65 and 3,216.11

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Solution

The fourth proportional to 4,893.78, 6,751.65 and 3,216.11 is: 4,437.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,893.78 : 6,751.65 = 3,216.11 : x
  2. Step 2: Convert to fraction form
    4,893.78/6,751.65 = 3,216.11/x
  3. Step 3: Cross multiply
    4,893.78x = 6,751.65 × 3,216.11
  4. Step 4: Simplify right side
    4,893.78x = 21,714,027.38
  5. Step 5: Solve for x
    x = 21,714,027.38/4,893.78
  6. Step 6: Final answer
    x = 4,437.06

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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.