Home / 5,105.51-7,643.40-3,795.08

Finding the Fourth Proportional to 5,105.51, 7,643.40 and 3,795.08

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Solution

The fourth proportional to 5,105.51, 7,643.40 and 3,795.08 is: 5,681.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,105.51 : 7,643.40 = 3,795.08 : x
  2. Step 2: Convert to fraction form
    5,105.51/7,643.40 = 3,795.08/x
  3. Step 3: Cross multiply
    5,105.51x = 7,643.40 × 3,795.08
  4. Step 4: Simplify right side
    5,105.51x = 29,007,314.47
  5. Step 5: Solve for x
    x = 29,007,314.47/5,105.51
  6. Step 6: Final answer
    x = 5,681.57

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