Home / 3,106.54-4,650.36-2,230.12

Finding the Fourth Proportional to 3,106.54, 4,650.36 and 2,230.12

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Solution

The fourth proportional to 3,106.54, 4,650.36 and 2,230.12 is: 3,338.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,106.54 : 4,650.36 = 2,230.12 : x
  2. Step 2: Convert to fraction form
    3,106.54/4,650.36 = 2,230.12/x
  3. Step 3: Cross multiply
    3,106.54x = 4,650.36 × 2,230.12
  4. Step 4: Simplify right side
    3,106.54x = 10,370,860.84
  5. Step 5: Solve for x
    x = 10,370,860.84/3,106.54
  6. Step 6: Final answer
    x = 3,338.40

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1.5x scale

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.