Home / 3,050.30-4,572.20-2,181.98

Finding the Fourth Proportional to 3,050.30, 4,572.20 and 2,181.98

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Solution

The fourth proportional to 3,050.30, 4,572.20 and 2,181.98 is: 3,270.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,050.30 : 4,572.20 = 2,181.98 : x
  2. Step 2: Convert to fraction form
    3,050.30/4,572.20 = 2,181.98/x
  3. Step 3: Cross multiply
    3,050.30x = 4,572.20 × 2,181.98
  4. Step 4: Simplify right side
    3,050.30x = 9,976,438.05
  5. Step 5: Solve for x
    x = 9,976,438.05/3,050.30
  6. Step 6: Final answer
    x = 3,270.64

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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.