Home / 3,748.29-5,173.09-2,176.38

Finding the Fourth Proportional to 3,748.29, 5,173.09 and 2,176.38

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Solution

The fourth proportional to 3,748.29, 5,173.09 and 2,176.38 is: 3,003.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,748.29 : 5,173.09 = 2,176.38 : x
  2. Step 2: Convert to fraction form
    3,748.29/5,173.09 = 2,176.38/x
  3. Step 3: Cross multiply
    3,748.29x = 5,173.09 × 2,176.38
  4. Step 4: Simplify right side
    3,748.29x = 11,258,634.03
  5. Step 5: Solve for x
    x = 11,258,634.03/3,748.29
  6. Step 6: Final answer
    x = 3,003.67

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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.