Home / 1,981.48-2,973.30-1,199.56

Finding the Fourth Proportional to 1,981.48, 2,973.30 and 1,199.56

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Solution

The fourth proportional to 1,981.48, 2,973.30 and 1,199.56 is: 1,799.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981.48 : 2,973.30 = 1,199.56 : x
  2. Step 2: Convert to fraction form
    1,981.48/2,973.30 = 1,199.56/x
  3. Step 3: Cross multiply
    1,981.48x = 2,973.30 × 1,199.56
  4. Step 4: Simplify right side
    1,981.48x = 3,566,651.75
  5. Step 5: Solve for x
    x = 3,566,651.75/1,981.48
  6. Step 6: Final answer
    x = 1,799.99

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