Home / 3,884.53-5,826.99-1,111.61

Finding the Fourth Proportional to 3,884.53, 5,826.99 and 1,111.61

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Solution

The fourth proportional to 3,884.53, 5,826.99 and 1,111.61 is: 1,667.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,884.53 : 5,826.99 = 1,111.61 : x
  2. Step 2: Convert to fraction form
    3,884.53/5,826.99 = 1,111.61/x
  3. Step 3: Cross multiply
    3,884.53x = 5,826.99 × 1,111.61
  4. Step 4: Simplify right side
    3,884.53x = 6,477,327.51
  5. Step 5: Solve for x
    x = 6,477,327.51/3,884.53
  6. Step 6: Final answer
    x = 1,667.47

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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.