Home / 3,835.44-5,286.56-2,994.48

Finding the Fourth Proportional to 3,835.44, 5,286.56 and 2,994.48

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Solution

The fourth proportional to 3,835.44, 5,286.56 and 2,994.48 is: 4,127.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,835.44 : 5,286.56 = 2,994.48 : x
  2. Step 2: Convert to fraction form
    3,835.44/5,286.56 = 2,994.48/x
  3. Step 3: Cross multiply
    3,835.44x = 5,286.56 × 2,994.48
  4. Step 4: Simplify right side
    3,835.44x = 15,830,498.19
  5. Step 5: Solve for x
    x = 15,830,498.19/3,835.44
  6. Step 6: Final answer
    x = 4,127.43

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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.