Home / 3,040.57-4,197.80-1,994.46

Finding the Fourth Proportional to 3,040.57, 4,197.80 and 1,994.46

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Solution

The fourth proportional to 3,040.57, 4,197.80 and 1,994.46 is: 2,753.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.57 : 4,197.80 = 1,994.46 : x
  2. Step 2: Convert to fraction form
    3,040.57/4,197.80 = 1,994.46/x
  3. Step 3: Cross multiply
    3,040.57x = 4,197.80 × 1,994.46
  4. Step 4: Simplify right side
    3,040.57x = 8,372,344.19
  5. Step 5: Solve for x
    x = 8,372,344.19/3,040.57
  6. Step 6: Final answer
    x = 2,753.54

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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.