Home / 5,116.14-7,668.73-1,828.15

Finding the Fourth Proportional to 5,116.14, 7,668.73 and 1,828.15

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Solution

The fourth proportional to 5,116.14, 7,668.73 and 1,828.15 is: 2,740.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,116.14 : 7,668.73 = 1,828.15 : x
  2. Step 2: Convert to fraction form
    5,116.14/7,668.73 = 1,828.15/x
  3. Step 3: Cross multiply
    5,116.14x = 7,668.73 × 1,828.15
  4. Step 4: Simplify right side
    5,116.14x = 14,019,588.75
  5. Step 5: Solve for x
    x = 14,019,588.75/5,116.14
  6. Step 6: Final answer
    x = 2,740.27

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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.