Home / 2,485.30-3,727.85-1,168.58

Finding the Fourth Proportional to 2,485.30, 3,727.85 and 1,168.58

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Solution

The fourth proportional to 2,485.30, 3,727.85 and 1,168.58 is: 1,752.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485.30 : 3,727.85 = 1,168.58 : x
  2. Step 2: Convert to fraction form
    2,485.30/3,727.85 = 1,168.58/x
  3. Step 3: Cross multiply
    2,485.30x = 3,727.85 × 1,168.58
  4. Step 4: Simplify right side
    2,485.30x = 4,356,290.95
  5. Step 5: Solve for x
    x = 4,356,290.95/2,485.30
  6. Step 6: Final answer
    x = 1,752.82

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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.