Home / 5,738.04-7,915.57-3,749.76

Finding the Fourth Proportional to 5,738.04, 7,915.57 and 3,749.76

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Solution

The fourth proportional to 5,738.04, 7,915.57 and 3,749.76 is: 5,172.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,738.04 : 7,915.57 = 3,749.76 : x
  2. Step 2: Convert to fraction form
    5,738.04/7,915.57 = 3,749.76/x
  3. Step 3: Cross multiply
    5,738.04x = 7,915.57 × 3,749.76
  4. Step 4: Simplify right side
    5,738.04x = 29,681,469.01
  5. Step 5: Solve for x
    x = 29,681,469.01/5,738.04
  6. Step 6: Final answer
    x = 5,172.75

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1.5x scale

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.