Home / 3,043.23-4,199.64-1,645.98

Finding the Fourth Proportional to 3,043.23, 4,199.64 and 1,645.98

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Solution

The fourth proportional to 3,043.23, 4,199.64 and 1,645.98 is: 2,271.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,043.23 : 4,199.64 = 1,645.98 : x
  2. Step 2: Convert to fraction form
    3,043.23/4,199.64 = 1,645.98/x
  3. Step 3: Cross multiply
    3,043.23x = 4,199.64 × 1,645.98
  4. Step 4: Simplify right side
    3,043.23x = 6,912,523.45
  5. Step 5: Solve for x
    x = 6,912,523.45/3,043.23
  6. Step 6: Final answer
    x = 2,271.44

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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.