Home / 3,403.12-4,692-2,222.32

Finding the Fourth Proportional to 3,403.12, 4,692 and 2,222.32

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Solution

The fourth proportional to 3,403.12, 4,692 and 2,222.32 is: 3,063.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,403.12 : 4,692 = 2,222.32 : x
  2. Step 2: Convert to fraction form
    3,403.12/4,692 = 2,222.32/x
  3. Step 3: Cross multiply
    3,403.12x = 4,692 × 2,222.32
  4. Step 4: Simplify right side
    3,403.12x = 10,427,125.44
  5. Step 5: Solve for x
    x = 10,427,125.44/3,403.12
  6. Step 6: Final answer
    x = 3,063.99

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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.