Home / 5,705.45-8,559.49-2,418.67

Finding the Fourth Proportional to 5,705.45, 8,559.49 and 2,418.67

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Solution

The fourth proportional to 5,705.45, 8,559.49 and 2,418.67 is: 3,628.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,705.45 : 8,559.49 = 2,418.67 : x
  2. Step 2: Convert to fraction form
    5,705.45/8,559.49 = 2,418.67/x
  3. Step 3: Cross multiply
    5,705.45x = 8,559.49 × 2,418.67
  4. Step 4: Simplify right side
    5,705.45x = 20,702,581.68
  5. Step 5: Solve for x
    x = 20,702,581.68/5,705.45
  6. Step 6: Final answer
    x = 3,628.56

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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.