Home / 4,156.20-6,231.42-1,558.44

Finding the Fourth Proportional to 4,156.20, 6,231.42 and 1,558.44

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Solution

The fourth proportional to 4,156.20, 6,231.42 and 1,558.44 is: 2,336.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,156.20 : 6,231.42 = 1,558.44 : x
  2. Step 2: Convert to fraction form
    4,156.20/6,231.42 = 1,558.44/x
  3. Step 3: Cross multiply
    4,156.20x = 6,231.42 × 1,558.44
  4. Step 4: Simplify right side
    4,156.20x = 9,711,294.18
  5. Step 5: Solve for x
    x = 9,711,294.18/4,156.20
  6. Step 6: Final answer
    x = 2,336.58

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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.