Home / 7,426.74-11,137.78-2,427.98

Finding the Fourth Proportional to 7,426.74, 11,137.78 and 2,427.98

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Solution

The fourth proportional to 7,426.74, 11,137.78 and 2,427.98 is: 3,641.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,426.74 : 11,137.78 = 2,427.98 : x
  2. Step 2: Convert to fraction form
    7,426.74/11,137.78 = 2,427.98/x
  3. Step 3: Cross multiply
    7,426.74x = 11,137.78 × 2,427.98
  4. Step 4: Simplify right side
    7,426.74x = 27,042,307.08
  5. Step 5: Solve for x
    x = 27,042,307.08/7,426.74
  6. Step 6: Final answer
    x = 3,641.21

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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.