Home / 3,409.96-4,707.78-2,622.44

Finding the Fourth Proportional to 3,409.96, 4,707.78 and 2,622.44

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Solution

The fourth proportional to 3,409.96, 4,707.78 and 2,622.44 is: 3,620.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,409.96 : 4,707.78 = 2,622.44 : x
  2. Step 2: Convert to fraction form
    3,409.96/4,707.78 = 2,622.44/x
  3. Step 3: Cross multiply
    3,409.96x = 4,707.78 × 2,622.44
  4. Step 4: Simplify right side
    3,409.96x = 12,345,870.58
  5. Step 5: Solve for x
    x = 12,345,870.58/3,409.96
  6. Step 6: Final answer
    x = 3,620.53

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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.