Home / 4,156.12-6,235.21-1,234.42

Finding the Fourth Proportional to 4,156.12, 6,235.21 and 1,234.42

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Solution

The fourth proportional to 4,156.12, 6,235.21 and 1,234.42 is: 1,851.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,156.12 : 6,235.21 = 1,234.42 : x
  2. Step 2: Convert to fraction form
    4,156.12/6,235.21 = 1,234.42/x
  3. Step 3: Cross multiply
    4,156.12x = 6,235.21 × 1,234.42
  4. Step 4: Simplify right side
    4,156.12x = 7,696,853.88
  5. Step 5: Solve for x
    x = 7,696,853.88/4,156.12
  6. Step 6: Final answer
    x = 1,851.93

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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.