Home / 2,775.26-3,829.81-1,516.28

Finding the Fourth Proportional to 2,775.26, 3,829.81 and 1,516.28

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Solution

The fourth proportional to 2,775.26, 3,829.81 and 1,516.28 is: 2,092.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775.26 : 3,829.81 = 1,516.28 : x
  2. Step 2: Convert to fraction form
    2,775.26/3,829.81 = 1,516.28/x
  3. Step 3: Cross multiply
    2,775.26x = 3,829.81 × 1,516.28
  4. Step 4: Simplify right side
    2,775.26x = 5,807,081.35
  5. Step 5: Solve for x
    x = 5,807,081.35/2,775.26
  6. Step 6: Final answer
    x = 2,092.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.