Home / 5,272.37-7,275.77-2,914.46

Finding the Fourth Proportional to 5,272.37, 7,275.77 and 2,914.46

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Solution

The fourth proportional to 5,272.37, 7,275.77 and 2,914.46 is: 4,021.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.37 : 7,275.77 = 2,914.46 : x
  2. Step 2: Convert to fraction form
    5,272.37/7,275.77 = 2,914.46/x
  3. Step 3: Cross multiply
    5,272.37x = 7,275.77 × 2,914.46
  4. Step 4: Simplify right side
    5,272.37x = 21,204,940.63
  5. Step 5: Solve for x
    x = 21,204,940.63/5,272.37
  6. Step 6: Final answer
    x = 4,021.90

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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.