Home / 3,483.22-4,806.66-1,990.94

Finding the Fourth Proportional to 3,483.22, 4,806.66 and 1,990.94

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Solution

The fourth proportional to 3,483.22, 4,806.66 and 1,990.94 is: 2,747.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,483.22 : 4,806.66 = 1,990.94 : x
  2. Step 2: Convert to fraction form
    3,483.22/4,806.66 = 1,990.94/x
  3. Step 3: Cross multiply
    3,483.22x = 4,806.66 × 1,990.94
  4. Step 4: Simplify right side
    3,483.22x = 9,569,771.66
  5. Step 5: Solve for x
    x = 9,569,771.66/3,483.22
  6. Step 6: Final answer
    x = 2,747.39

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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.