Home / 5,315.43-7,974.57-4,734.41

Finding the Fourth Proportional to 5,315.43, 7,974.57 and 4,734.41

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Solution

The fourth proportional to 5,315.43, 7,974.57 and 4,734.41 is: 7,102.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315.43 : 7,974.57 = 4,734.41 : x
  2. Step 2: Convert to fraction form
    5,315.43/7,974.57 = 4,734.41/x
  3. Step 3: Cross multiply
    5,315.43x = 7,974.57 × 4,734.41
  4. Step 4: Simplify right side
    5,315.43x = 37,754,883.95
  5. Step 5: Solve for x
    x = 37,754,883.95/5,315.43
  6. Step 6: Final answer
    x = 7,102.88

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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.