Home / 3,133.66-4,321.46-1,874.51

Finding the Fourth Proportional to 3,133.66, 4,321.46 and 1,874.51

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Solution

The fourth proportional to 3,133.66, 4,321.46 and 1,874.51 is: 2,585.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.66 : 4,321.46 = 1,874.51 : x
  2. Step 2: Convert to fraction form
    3,133.66/4,321.46 = 1,874.51/x
  3. Step 3: Cross multiply
    3,133.66x = 4,321.46 × 1,874.51
  4. Step 4: Simplify right side
    3,133.66x = 8,100,589.00
  5. Step 5: Solve for x
    x = 8,100,589.00/3,133.66
  6. Step 6: Final answer
    x = 2,585.02

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1.5x scale

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.