Home / 4,583.82-6,870.18-2,115.21

Finding the Fourth Proportional to 4,583.82, 6,870.18 and 2,115.21

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Solution

The fourth proportional to 4,583.82, 6,870.18 and 2,115.21 is: 3,170.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,583.82 : 6,870.18 = 2,115.21 : x
  2. Step 2: Convert to fraction form
    4,583.82/6,870.18 = 2,115.21/x
  3. Step 3: Cross multiply
    4,583.82x = 6,870.18 × 2,115.21
  4. Step 4: Simplify right side
    4,583.82x = 14,531,873.44
  5. Step 5: Solve for x
    x = 14,531,873.44/4,583.82
  6. Step 6: Final answer
    x = 3,170.25

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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.