Home / 7,258.41-10,889.69-3,561.71

Finding the Fourth Proportional to 7,258.41, 10,889.69 and 3,561.71

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Solution

The fourth proportional to 7,258.41, 10,889.69 and 3,561.71 is: 5,343.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,258.41 : 10,889.69 = 3,561.71 : x
  2. Step 2: Convert to fraction form
    7,258.41/10,889.69 = 3,561.71/x
  3. Step 3: Cross multiply
    7,258.41x = 10,889.69 × 3,561.71
  4. Step 4: Simplify right side
    7,258.41x = 38,785,845.51
  5. Step 5: Solve for x
    x = 38,785,845.51/7,258.41
  6. Step 6: Final answer
    x = 5,343.57

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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.