Home / 3,150.45-4,350.78-2,596.41

Finding the Fourth Proportional to 3,150.45, 4,350.78 and 2,596.41

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Solution

The fourth proportional to 3,150.45, 4,350.78 and 2,596.41 is: 3,585.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150.45 : 4,350.78 = 2,596.41 : x
  2. Step 2: Convert to fraction form
    3,150.45/4,350.78 = 2,596.41/x
  3. Step 3: Cross multiply
    3,150.45x = 4,350.78 × 2,596.41
  4. Step 4: Simplify right side
    3,150.45x = 11,296,408.70
  5. Step 5: Solve for x
    x = 11,296,408.70/3,150.45
  6. Step 6: Final answer
    x = 3,585.65

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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.