Home / 4,821.90-7,231.62-2,047.14

Finding the Fourth Proportional to 4,821.90, 7,231.62 and 2,047.14

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Solution

The fourth proportional to 4,821.90, 7,231.62 and 2,047.14 is: 3,070.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,821.90 : 7,231.62 = 2,047.14 : x
  2. Step 2: Convert to fraction form
    4,821.90/7,231.62 = 2,047.14/x
  3. Step 3: Cross multiply
    4,821.90x = 7,231.62 × 2,047.14
  4. Step 4: Simplify right side
    4,821.90x = 14,804,138.57
  5. Step 5: Solve for x
    x = 14,804,138.57/4,821.90
  6. Step 6: Final answer
    x = 3,070.19

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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.