Home / 5,911.74-8,157.42-3,393.96

Finding the Fourth Proportional to 5,911.74, 8,157.42 and 3,393.96

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Solution

The fourth proportional to 5,911.74, 8,157.42 and 3,393.96 is: 4,683.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,911.74 : 8,157.42 = 3,393.96 : x
  2. Step 2: Convert to fraction form
    5,911.74/8,157.42 = 3,393.96/x
  3. Step 3: Cross multiply
    5,911.74x = 8,157.42 × 3,393.96
  4. Step 4: Simplify right side
    5,911.74x = 27,685,957.18
  5. Step 5: Solve for x
    x = 27,685,957.18/5,911.74
  6. Step 6: Final answer
    x = 4,683.22

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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.