Home / 3,111.64-4,292.46-2,062.60

Finding the Fourth Proportional to 3,111.64, 4,292.46 and 2,062.60

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Solution

The fourth proportional to 3,111.64, 4,292.46 and 2,062.60 is: 2,845.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111.64 : 4,292.46 = 2,062.60 : x
  2. Step 2: Convert to fraction form
    3,111.64/4,292.46 = 2,062.60/x
  3. Step 3: Cross multiply
    3,111.64x = 4,292.46 × 2,062.60
  4. Step 4: Simplify right side
    3,111.64x = 8,853,628.00
  5. Step 5: Solve for x
    x = 8,853,628.00/3,111.64
  6. Step 6: Final answer
    x = 2,845.33

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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.