Home / 7,382.41-11,075.24-2,188.69

Finding the Fourth Proportional to 7,382.41, 11,075.24 and 2,188.69

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Solution

The fourth proportional to 7,382.41, 11,075.24 and 2,188.69 is: 3,283.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382.41 : 11,075.24 = 2,188.69 : x
  2. Step 2: Convert to fraction form
    7,382.41/11,075.24 = 2,188.69/x
  3. Step 3: Cross multiply
    7,382.41x = 11,075.24 × 2,188.69
  4. Step 4: Simplify right side
    7,382.41x = 24,240,267.04
  5. Step 5: Solve for x
    x = 24,240,267.04/7,382.41
  6. Step 6: Final answer
    x = 3,283.52

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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.