Home / 5,316.26-7,974.75-1,806.62

Finding the Fourth Proportional to 5,316.26, 7,974.75 and 1,806.62

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Solution

The fourth proportional to 5,316.26, 7,974.75 and 1,806.62 is: 2,710.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,316.26 : 7,974.75 = 1,806.62 : x
  2. Step 2: Convert to fraction form
    5,316.26/7,974.75 = 1,806.62/x
  3. Step 3: Cross multiply
    5,316.26x = 7,974.75 × 1,806.62
  4. Step 4: Simplify right side
    5,316.26x = 14,407,342.85
  5. Step 5: Solve for x
    x = 14,407,342.85/5,316.26
  6. Step 6: Final answer
    x = 2,710.05

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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.