Home / 4,111.24-6,164.70-1,919.56

Finding the Fourth Proportional to 4,111.24, 6,164.70 and 1,919.56

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Solution

The fourth proportional to 4,111.24, 6,164.70 and 1,919.56 is: 2,878.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,111.24 : 6,164.70 = 1,919.56 : x
  2. Step 2: Convert to fraction form
    4,111.24/6,164.70 = 1,919.56/x
  3. Step 3: Cross multiply
    4,111.24x = 6,164.70 × 1,919.56
  4. Step 4: Simplify right side
    4,111.24x = 11,833,511.53
  5. Step 5: Solve for x
    x = 11,833,511.53/4,111.24
  6. Step 6: Final answer
    x = 2,878.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.