Home / 5,258.48-7,257.32-3,020.72

Finding the Fourth Proportional to 5,258.48, 7,257.32 and 3,020.72

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Solution

The fourth proportional to 5,258.48, 7,257.32 and 3,020.72 is: 4,168.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,258.48 : 7,257.32 = 3,020.72 : x
  2. Step 2: Convert to fraction form
    5,258.48/7,257.32 = 3,020.72/x
  3. Step 3: Cross multiply
    5,258.48x = 7,257.32 × 3,020.72
  4. Step 4: Simplify right side
    5,258.48x = 21,922,331.67
  5. Step 5: Solve for x
    x = 21,922,331.67/5,258.48
  6. Step 6: Final answer
    x = 4,168.95

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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.