Home / 3,933.12-5,900.70-1,159.68

Finding the Fourth Proportional to 3,933.12, 5,900.70 and 1,159.68

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Solution

The fourth proportional to 3,933.12, 5,900.70 and 1,159.68 is: 1,739.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,933.12 : 5,900.70 = 1,159.68 : x
  2. Step 2: Convert to fraction form
    3,933.12/5,900.70 = 1,159.68/x
  3. Step 3: Cross multiply
    3,933.12x = 5,900.70 × 1,159.68
  4. Step 4: Simplify right side
    3,933.12x = 6,842,943.73
  5. Step 5: Solve for x
    x = 6,842,943.73/3,933.12
  6. Step 6: Final answer
    x = 1,739.82

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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.