Home / 7,900.08-11,850.75-2,706

Finding the Fourth Proportional to 7,900.08, 11,850.75 and 2,706

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Solution

The fourth proportional to 7,900.08, 11,850.75 and 2,706 is: 4,059.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,900.08 : 11,850.75 = 2,706 : x
  2. Step 2: Convert to fraction form
    7,900.08/11,850.75 = 2,706/x
  3. Step 3: Cross multiply
    7,900.08x = 11,850.75 × 2,706
  4. Step 4: Simplify right side
    7,900.08x = 32,068,129.50
  5. Step 5: Solve for x
    x = 32,068,129.50/7,900.08
  6. Step 6: Final answer
    x = 4,059.22

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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.