Home / 3,099.70-4,277.57-1,773.43

Finding the Fourth Proportional to 3,099.70, 4,277.57 and 1,773.43

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Solution

The fourth proportional to 3,099.70, 4,277.57 and 1,773.43 is: 2,447.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,099.70 : 4,277.57 = 1,773.43 : x
  2. Step 2: Convert to fraction form
    3,099.70/4,277.57 = 1,773.43/x
  3. Step 3: Cross multiply
    3,099.70x = 4,277.57 × 1,773.43
  4. Step 4: Simplify right side
    3,099.70x = 7,585,951.40
  5. Step 5: Solve for x
    x = 7,585,951.40/3,099.70
  6. Step 6: Final answer
    x = 2,447.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.