Home / 5,313.08-7,969.92-2,192.96

Finding the Fourth Proportional to 5,313.08, 7,969.92 and 2,192.96

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Solution

The fourth proportional to 5,313.08, 7,969.92 and 2,192.96 is: 3,289.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,313.08 : 7,969.92 = 2,192.96 : x
  2. Step 2: Convert to fraction form
    5,313.08/7,969.92 = 2,192.96/x
  3. Step 3: Cross multiply
    5,313.08x = 7,969.92 × 2,192.96
  4. Step 4: Simplify right side
    5,313.08x = 17,477,675.91
  5. Step 5: Solve for x
    x = 17,477,675.91/5,313.08
  6. Step 6: Final answer
    x = 3,289.56

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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.