Home / 3,199.49-4,408.18-2,666.41

Finding the Fourth Proportional to 3,199.49, 4,408.18 and 2,666.41

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Solution

The fourth proportional to 3,199.49, 4,408.18 and 2,666.41 is: 3,673.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,199.49 : 4,408.18 = 2,666.41 : x
  2. Step 2: Convert to fraction form
    3,199.49/4,408.18 = 2,666.41/x
  3. Step 3: Cross multiply
    3,199.49x = 4,408.18 × 2,666.41
  4. Step 4: Simplify right side
    3,199.49x = 11,754,015.23
  5. Step 5: Solve for x
    x = 11,754,015.23/3,199.49
  6. Step 6: Final answer
    x = 3,673.72

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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.