Home / 4,760.12-7,137.84-1,985.96

Finding the Fourth Proportional to 4,760.12, 7,137.84 and 1,985.96

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Solution

The fourth proportional to 4,760.12, 7,137.84 and 1,985.96 is: 2,977.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,760.12 : 7,137.84 = 1,985.96 : x
  2. Step 2: Convert to fraction form
    4,760.12/7,137.84 = 1,985.96/x
  3. Step 3: Cross multiply
    4,760.12x = 7,137.84 × 1,985.96
  4. Step 4: Simplify right side
    4,760.12x = 14,175,464.73
  5. Step 5: Solve for x
    x = 14,175,464.73/4,760.12
  6. Step 6: Final answer
    x = 2,977.96

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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.