Home / 3,015.87-4,161.81-1,757.43

Finding the Fourth Proportional to 3,015.87, 4,161.81 and 1,757.43

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Solution

The fourth proportional to 3,015.87, 4,161.81 and 1,757.43 is: 2,425.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.87 : 4,161.81 = 1,757.43 : x
  2. Step 2: Convert to fraction form
    3,015.87/4,161.81 = 1,757.43/x
  3. Step 3: Cross multiply
    3,015.87x = 4,161.81 × 1,757.43
  4. Step 4: Simplify right side
    3,015.87x = 7,314,096.34
  5. Step 5: Solve for x
    x = 7,314,096.34/3,015.87
  6. Step 6: Final answer
    x = 2,425.21

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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.