Home / 3,475.85-4,796.70-1,983.83

Finding the Fourth Proportional to 3,475.85, 4,796.70 and 1,983.83

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Solution

The fourth proportional to 3,475.85, 4,796.70 and 1,983.83 is: 2,737.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,475.85 : 4,796.70 = 1,983.83 : x
  2. Step 2: Convert to fraction form
    3,475.85/4,796.70 = 1,983.83/x
  3. Step 3: Cross multiply
    3,475.85x = 4,796.70 × 1,983.83
  4. Step 4: Simplify right side
    3,475.85x = 9,515,837.36
  5. Step 5: Solve for x
    x = 9,515,837.36/3,475.85
  6. Step 6: Final answer
    x = 2,737.70

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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.