Home / 3,311.10-4,963.20-3,040.56

Finding the Fourth Proportional to 3,311.10, 4,963.20 and 3,040.56

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Solution

The fourth proportional to 3,311.10, 4,963.20 and 3,040.56 is: 4,557.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311.10 : 4,963.20 = 3,040.56 : x
  2. Step 2: Convert to fraction form
    3,311.10/4,963.20 = 3,040.56/x
  3. Step 3: Cross multiply
    3,311.10x = 4,963.20 × 3,040.56
  4. Step 4: Simplify right side
    3,311.10x = 15,090,907.39
  5. Step 5: Solve for x
    x = 15,090,907.39/3,311.10
  6. Step 6: Final answer
    x = 4,557.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.