Home / 7,075.08-10,619.25-3,379.86

Finding the Fourth Proportional to 7,075.08, 10,619.25 and 3,379.86

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Solution

The fourth proportional to 7,075.08, 10,619.25 and 3,379.86 is: 5,072.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,075.08 : 10,619.25 = 3,379.86 : x
  2. Step 2: Convert to fraction form
    7,075.08/10,619.25 = 3,379.86/x
  3. Step 3: Cross multiply
    7,075.08x = 10,619.25 × 3,379.86
  4. Step 4: Simplify right side
    7,075.08x = 35,891,578.31
  5. Step 5: Solve for x
    x = 35,891,578.31/7,075.08
  6. Step 6: Final answer
    x = 5,072.96

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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.