Home / 3,884.75-5,826.14-1,111.43

Finding the Fourth Proportional to 3,884.75, 5,826.14 and 1,111.43

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Solution

The fourth proportional to 3,884.75, 5,826.14 and 1,111.43 is: 1,666.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,884.75 : 5,826.14 = 1,111.43 : x
  2. Step 2: Convert to fraction form
    3,884.75/5,826.14 = 1,111.43/x
  3. Step 3: Cross multiply
    3,884.75x = 5,826.14 × 1,111.43
  4. Step 4: Simplify right side
    3,884.75x = 6,475,341.22
  5. Step 5: Solve for x
    x = 6,475,341.22/3,884.75
  6. Step 6: Final answer
    x = 1,666.86

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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.