Home / 5,083.42-7,626.26-1,620.67

Finding the Fourth Proportional to 5,083.42, 7,626.26 and 1,620.67

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Solution

The fourth proportional to 5,083.42, 7,626.26 and 1,620.67 is: 2,431.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,083.42 : 7,626.26 = 1,620.67 : x
  2. Step 2: Convert to fraction form
    5,083.42/7,626.26 = 1,620.67/x
  3. Step 3: Cross multiply
    5,083.42x = 7,626.26 × 1,620.67
  4. Step 4: Simplify right side
    5,083.42x = 12,359,642.69
  5. Step 5: Solve for x
    x = 12,359,642.69/5,083.42
  6. Step 6: Final answer
    x = 2,431.36

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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.