Home / 2,986.32-4,120.52-1,744.08

Finding the Fourth Proportional to 2,986.32, 4,120.52 and 1,744.08

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Solution

The fourth proportional to 2,986.32, 4,120.52 and 1,744.08 is: 2,406.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986.32 : 4,120.52 = 1,744.08 : x
  2. Step 2: Convert to fraction form
    2,986.32/4,120.52 = 1,744.08/x
  3. Step 3: Cross multiply
    2,986.32x = 4,120.52 × 1,744.08
  4. Step 4: Simplify right side
    2,986.32x = 7,186,516.52
  5. Step 5: Solve for x
    x = 7,186,516.52/2,986.32
  6. Step 6: Final answer
    x = 2,406.48

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.