Home / 5,148.36-7,723.08-1,685.88

Finding the Fourth Proportional to 5,148.36, 7,723.08 and 1,685.88

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Solution

The fourth proportional to 5,148.36, 7,723.08 and 1,685.88 is: 2,529.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148.36 : 7,723.08 = 1,685.88 : x
  2. Step 2: Convert to fraction form
    5,148.36/7,723.08 = 1,685.88/x
  3. Step 3: Cross multiply
    5,148.36x = 7,723.08 × 1,685.88
  4. Step 4: Simplify right side
    5,148.36x = 13,020,186.11
  5. Step 5: Solve for x
    x = 13,020,186.11/5,148.36
  6. Step 6: Final answer
    x = 2,529.00

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