Home / 3,015.99-4,161.23-1,836.22

Finding the Fourth Proportional to 3,015.99, 4,161.23 and 1,836.22

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Solution

The fourth proportional to 3,015.99, 4,161.23 and 1,836.22 is: 2,533.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.99 : 4,161.23 = 1,836.22 : x
  2. Step 2: Convert to fraction form
    3,015.99/4,161.23 = 1,836.22/x
  3. Step 3: Cross multiply
    3,015.99x = 4,161.23 × 1,836.22
  4. Step 4: Simplify right side
    3,015.99x = 7,640,933.75
  5. Step 5: Solve for x
    x = 7,640,933.75/3,015.99
  6. Step 6: Final answer
    x = 2,533.47

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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.