Home / 5,406.05-8,111.48-2,288.22

Finding the Fourth Proportional to 5,406.05, 8,111.48 and 2,288.22

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Solution

The fourth proportional to 5,406.05, 8,111.48 and 2,288.22 is: 3,433.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,406.05 : 8,111.48 = 2,288.22 : x
  2. Step 2: Convert to fraction form
    5,406.05/8,111.48 = 2,288.22/x
  3. Step 3: Cross multiply
    5,406.05x = 8,111.48 × 2,288.22
  4. Step 4: Simplify right side
    5,406.05x = 18,560,808.91
  5. Step 5: Solve for x
    x = 18,560,808.91/5,406.05
  6. Step 6: Final answer
    x = 3,433.34

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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.