Home / 2,210.85-3,313.50-1,170.67

Finding the Fourth Proportional to 2,210.85, 3,313.50 and 1,170.67

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Solution

The fourth proportional to 2,210.85, 3,313.50 and 1,170.67 is: 1,754.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,210.85 : 3,313.50 = 1,170.67 : x
  2. Step 2: Convert to fraction form
    2,210.85/3,313.50 = 1,170.67/x
  3. Step 3: Cross multiply
    2,210.85x = 3,313.50 × 1,170.67
  4. Step 4: Simplify right side
    2,210.85x = 3,879,015.05
  5. Step 5: Solve for x
    x = 3,879,015.05/2,210.85
  6. Step 6: Final answer
    x = 1,754.54

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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.