Home / 5,881.19-8,115.89-3,228.57

Finding the Fourth Proportional to 5,881.19, 8,115.89 and 3,228.57

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Solution

The fourth proportional to 5,881.19, 8,115.89 and 3,228.57 is: 4,455.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,881.19 : 8,115.89 = 3,228.57 : x
  2. Step 2: Convert to fraction form
    5,881.19/8,115.89 = 3,228.57/x
  3. Step 3: Cross multiply
    5,881.19x = 8,115.89 × 3,228.57
  4. Step 4: Simplify right side
    5,881.19x = 26,202,702.83
  5. Step 5: Solve for x
    x = 26,202,702.83/5,881.19
  6. Step 6: Final answer
    x = 4,455.34

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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.