Home / 3,440.63-4,745.96-2,999.59

Finding the Fourth Proportional to 3,440.63, 4,745.96 and 2,999.59

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Solution

The fourth proportional to 3,440.63, 4,745.96 and 2,999.59 is: 4,137.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.63 : 4,745.96 = 2,999.59 : x
  2. Step 2: Convert to fraction form
    3,440.63/4,745.96 = 2,999.59/x
  3. Step 3: Cross multiply
    3,440.63x = 4,745.96 × 2,999.59
  4. Step 4: Simplify right side
    3,440.63x = 14,235,918.54
  5. Step 5: Solve for x
    x = 14,235,918.54/3,440.63
  6. Step 6: Final answer
    x = 4,137.59

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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.