Home / 7,622.19-11,433.49-2,075.65

Finding the Fourth Proportional to 7,622.19, 11,433.49 and 2,075.65

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Solution

The fourth proportional to 7,622.19, 11,433.49 and 2,075.65 is: 3,113.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,622.19 : 11,433.49 = 2,075.65 : x
  2. Step 2: Convert to fraction form
    7,622.19/11,433.49 = 2,075.65/x
  3. Step 3: Cross multiply
    7,622.19x = 11,433.49 × 2,075.65
  4. Step 4: Simplify right side
    7,622.19x = 23,731,940.40
  5. Step 5: Solve for x
    x = 23,731,940.40/7,622.19
  6. Step 6: Final answer
    x = 3,113.53

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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.