Home / 3,315.08-4,972.70-1,850.60

Finding the Fourth Proportional to 3,315.08, 4,972.70 and 1,850.60

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Solution

The fourth proportional to 3,315.08, 4,972.70 and 1,850.60 is: 2,775.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315.08 : 4,972.70 = 1,850.60 : x
  2. Step 2: Convert to fraction form
    3,315.08/4,972.70 = 1,850.60/x
  3. Step 3: Cross multiply
    3,315.08x = 4,972.70 × 1,850.60
  4. Step 4: Simplify right side
    3,315.08x = 9,202,478.62
  5. Step 5: Solve for x
    x = 9,202,478.62/3,315.08
  6. Step 6: Final answer
    x = 2,775.94

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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.