Home / 5,258.28-7,256.88-3,163.08

Finding the Fourth Proportional to 5,258.28, 7,256.88 and 3,163.08

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Solution

The fourth proportional to 5,258.28, 7,256.88 and 3,163.08 is: 4,365.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,258.28 : 7,256.88 = 3,163.08 : x
  2. Step 2: Convert to fraction form
    5,258.28/7,256.88 = 3,163.08/x
  3. Step 3: Cross multiply
    5,258.28x = 7,256.88 × 3,163.08
  4. Step 4: Simplify right side
    5,258.28x = 22,954,091.99
  5. Step 5: Solve for x
    x = 22,954,091.99/5,258.28
  6. Step 6: Final answer
    x = 4,365.32

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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.