Home / 2,629.29-3,940.69-1,458.30

Finding the Fourth Proportional to 2,629.29, 3,940.69 and 1,458.30

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Solution

The fourth proportional to 2,629.29, 3,940.69 and 1,458.30 is: 2,185.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629.29 : 3,940.69 = 1,458.30 : x
  2. Step 2: Convert to fraction form
    2,629.29/3,940.69 = 1,458.30/x
  3. Step 3: Cross multiply
    2,629.29x = 3,940.69 × 1,458.30
  4. Step 4: Simplify right side
    2,629.29x = 5,746,708.23
  5. Step 5: Solve for x
    x = 5,746,708.23/2,629.29
  6. Step 6: Final answer
    x = 2,185.65

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.