Home / 3,551.12-4,896.96-2,961.44

Finding the Fourth Proportional to 3,551.12, 4,896.96 and 2,961.44

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Solution

The fourth proportional to 3,551.12, 4,896.96 and 2,961.44 is: 4,083.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551.12 : 4,896.96 = 2,961.44 : x
  2. Step 2: Convert to fraction form
    3,551.12/4,896.96 = 2,961.44/x
  3. Step 3: Cross multiply
    3,551.12x = 4,896.96 × 2,961.44
  4. Step 4: Simplify right side
    3,551.12x = 14,502,053.22
  5. Step 5: Solve for x
    x = 14,502,053.22/3,551.12
  6. Step 6: Final answer
    x = 4,083.80

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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.