Home / 7,019.45-10,529.08-2,021.96

Finding the Fourth Proportional to 7,019.45, 10,529.08 and 2,021.96

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Solution

The fourth proportional to 7,019.45, 10,529.08 and 2,021.96 is: 3,032.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,019.45 : 10,529.08 = 2,021.96 : x
  2. Step 2: Convert to fraction form
    7,019.45/10,529.08 = 2,021.96/x
  3. Step 3: Cross multiply
    7,019.45x = 10,529.08 × 2,021.96
  4. Step 4: Simplify right side
    7,019.45x = 21,289,378.60
  5. Step 5: Solve for x
    x = 21,289,378.60/7,019.45
  6. Step 6: Final answer
    x = 3,032.91

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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.