Home / 7,340.67-11,012.80-3,440.52

Finding the Fourth Proportional to 7,340.67, 11,012.80 and 3,440.52

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Solution

The fourth proportional to 7,340.67, 11,012.80 and 3,440.52 is: 5,161.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,340.67 : 11,012.80 = 3,440.52 : x
  2. Step 2: Convert to fraction form
    7,340.67/11,012.80 = 3,440.52/x
  3. Step 3: Cross multiply
    7,340.67x = 11,012.80 × 3,440.52
  4. Step 4: Simplify right side
    7,340.67x = 37,889,758.66
  5. Step 5: Solve for x
    x = 37,889,758.66/7,340.67
  6. Step 6: Final answer
    x = 5,161.62

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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.