Home / 7,040.28-10,550.34-3,579.96

Finding the Fourth Proportional to 7,040.28, 10,550.34 and 3,579.96

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Solution

The fourth proportional to 7,040.28, 10,550.34 and 3,579.96 is: 5,364.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,040.28 : 10,550.34 = 3,579.96 : x
  2. Step 2: Convert to fraction form
    7,040.28/10,550.34 = 3,579.96/x
  3. Step 3: Cross multiply
    7,040.28x = 10,550.34 × 3,579.96
  4. Step 4: Simplify right side
    7,040.28x = 37,769,795.19
  5. Step 5: Solve for x
    x = 37,769,795.19/7,040.28
  6. Step 6: Final answer
    x = 5,364.81

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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.