Home / 5,881.21-8,116.22-3,228.77

Finding the Fourth Proportional to 5,881.21, 8,116.22 and 3,228.77

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Solution

The fourth proportional to 5,881.21, 8,116.22 and 3,228.77 is: 4,455.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,881.21 : 8,116.22 = 3,228.77 : x
  2. Step 2: Convert to fraction form
    5,881.21/8,116.22 = 3,228.77/x
  3. Step 3: Cross multiply
    5,881.21x = 8,116.22 × 3,228.77
  4. Step 4: Simplify right side
    5,881.21x = 26,205,436.01
  5. Step 5: Solve for x
    x = 26,205,436.01/5,881.21
  6. Step 6: Final answer
    x = 4,455.79

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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.