Home / 5,936.80-8,190.20-3,577.58

Finding the Fourth Proportional to 5,936.80, 8,190.20 and 3,577.58

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Solution

The fourth proportional to 5,936.80, 8,190.20 and 3,577.58 is: 4,935.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,936.80 : 8,190.20 = 3,577.58 : x
  2. Step 2: Convert to fraction form
    5,936.80/8,190.20 = 3,577.58/x
  3. Step 3: Cross multiply
    5,936.80x = 8,190.20 × 3,577.58
  4. Step 4: Simplify right side
    5,936.80x = 29,301,095.72
  5. Step 5: Solve for x
    x = 29,301,095.72/5,936.80
  6. Step 6: Final answer
    x = 4,935.50

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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.