Home / 5,285.27-7,293.68-2,927.36

Finding the Fourth Proportional to 5,285.27, 7,293.68 and 2,927.36

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Solution

The fourth proportional to 5,285.27, 7,293.68 and 2,927.36 is: 4,039.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,285.27 : 7,293.68 = 2,927.36 : x
  2. Step 2: Convert to fraction form
    5,285.27/7,293.68 = 2,927.36/x
  3. Step 3: Cross multiply
    5,285.27x = 7,293.68 × 2,927.36
  4. Step 4: Simplify right side
    5,285.27x = 21,351,175.98
  5. Step 5: Solve for x
    x = 21,351,175.98/5,285.27
  6. Step 6: Final answer
    x = 4,039.76

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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.