Home / 3,040.70-4,555.11-2,651.90

Finding the Fourth Proportional to 3,040.70, 4,555.11 and 2,651.90

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Solution

The fourth proportional to 3,040.70, 4,555.11 and 2,651.90 is: 3,972.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.70 : 4,555.11 = 2,651.90 : x
  2. Step 2: Convert to fraction form
    3,040.70/4,555.11 = 2,651.90/x
  3. Step 3: Cross multiply
    3,040.70x = 4,555.11 × 2,651.90
  4. Step 4: Simplify right side
    3,040.70x = 12,079,696.21
  5. Step 5: Solve for x
    x = 12,079,696.21/3,040.70
  6. Step 6: Final answer
    x = 3,972.67

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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.