Home / 2,977.55-4,109.00-1,718.58

Finding the Fourth Proportional to 2,977.55, 4,109.00 and 1,718.58

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Solution

The fourth proportional to 2,977.55, 4,109.00 and 1,718.58 is: 2,371.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977.55 : 4,109.00 = 1,718.58 : x
  2. Step 2: Convert to fraction form
    2,977.55/4,109.00 = 1,718.58/x
  3. Step 3: Cross multiply
    2,977.55x = 4,109.00 × 1,718.58
  4. Step 4: Simplify right side
    2,977.55x = 7,061,636.63
  5. Step 5: Solve for x
    x = 7,061,636.63/2,977.55
  6. Step 6: Final answer
    x = 2,371.63

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