Home / 1,871.23-2,582.26-1,085.35

Finding the Fourth Proportional to 1,871.23, 2,582.26 and 1,085.35

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Solution

The fourth proportional to 1,871.23, 2,582.26 and 1,085.35 is: 1,497.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871.23 : 2,582.26 = 1,085.35 : x
  2. Step 2: Convert to fraction form
    1,871.23/2,582.26 = 1,085.35/x
  3. Step 3: Cross multiply
    1,871.23x = 2,582.26 × 1,085.35
  4. Step 4: Simplify right side
    1,871.23x = 2,802,655.89
  5. Step 5: Solve for x
    x = 2,802,655.89/1,871.23
  6. Step 6: Final answer
    x = 1,497.76

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