Home / 3,548.40-4,896.84-1,976.44

Finding the Fourth Proportional to 3,548.40, 4,896.84 and 1,976.44

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Solution

The fourth proportional to 3,548.40, 4,896.84 and 1,976.44 is: 2,727.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,548.40 : 4,896.84 = 1,976.44 : x
  2. Step 2: Convert to fraction form
    3,548.40/4,896.84 = 1,976.44/x
  3. Step 3: Cross multiply
    3,548.40x = 4,896.84 × 1,976.44
  4. Step 4: Simplify right side
    3,548.40x = 9,678,310.45
  5. Step 5: Solve for x
    x = 9,678,310.45/3,548.40
  6. Step 6: Final answer
    x = 2,727.51

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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.