Home / 5,273.19-7,276.97-2,915.31

Finding the Fourth Proportional to 5,273.19, 7,276.97 and 2,915.31

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Solution

The fourth proportional to 5,273.19, 7,276.97 and 2,915.31 is: 4,023.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,273.19 : 7,276.97 = 2,915.31 : x
  2. Step 2: Convert to fraction form
    5,273.19/7,276.97 = 2,915.31/x
  3. Step 3: Cross multiply
    5,273.19x = 7,276.97 × 2,915.31
  4. Step 4: Simplify right side
    5,273.19x = 21,214,623.41
  5. Step 5: Solve for x
    x = 21,214,623.41/5,273.19
  6. Step 6: Final answer
    x = 4,023.11

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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.