Home / 5,216.25-7,823.19-1,517.67

Finding the Fourth Proportional to 5,216.25, 7,823.19 and 1,517.67

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Solution

The fourth proportional to 5,216.25, 7,823.19 and 1,517.67 is: 2,276.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,216.25 : 7,823.19 = 1,517.67 : x
  2. Step 2: Convert to fraction form
    5,216.25/7,823.19 = 1,517.67/x
  3. Step 3: Cross multiply
    5,216.25x = 7,823.19 × 1,517.67
  4. Step 4: Simplify right side
    5,216.25x = 11,873,020.77
  5. Step 5: Solve for x
    x = 11,873,020.77/5,216.25
  6. Step 6: Final answer
    x = 2,276.16

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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.