Home / 3,972.85-5,958.28-1,633.51

Finding the Fourth Proportional to 3,972.85, 5,958.28 and 1,633.51

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Solution

The fourth proportional to 3,972.85, 5,958.28 and 1,633.51 is: 2,449.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.85 : 5,958.28 = 1,633.51 : x
  2. Step 2: Convert to fraction form
    3,972.85/5,958.28 = 1,633.51/x
  3. Step 3: Cross multiply
    3,972.85x = 5,958.28 × 1,633.51
  4. Step 4: Simplify right side
    3,972.85x = 9,732,919.45
  5. Step 5: Solve for x
    x = 9,732,919.45/3,972.85
  6. Step 6: Final answer
    x = 2,449.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.