Home / 1,873.15-2,583.30-1,276.61

Finding the Fourth Proportional to 1,873.15, 2,583.30 and 1,276.61

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Solution

The fourth proportional to 1,873.15, 2,583.30 and 1,276.61 is: 1,760.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,873.15 : 2,583.30 = 1,276.61 : x
  2. Step 2: Convert to fraction form
    1,873.15/2,583.30 = 1,276.61/x
  3. Step 3: Cross multiply
    1,873.15x = 2,583.30 × 1,276.61
  4. Step 4: Simplify right side
    1,873.15x = 3,297,858.06
  5. Step 5: Solve for x
    x = 3,297,858.06/1,873.15
  6. Step 6: Final answer
    x = 1,760.59

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Why These Related Problems?

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