Home / 5,258.49-7,257.65-3,270.21

Finding the Fourth Proportional to 5,258.49, 7,257.65 and 3,270.21

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Solution

The fourth proportional to 5,258.49, 7,257.65 and 3,270.21 is: 4,513.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,258.49 : 7,257.65 = 3,270.21 : x
  2. Step 2: Convert to fraction form
    5,258.49/7,257.65 = 3,270.21/x
  3. Step 3: Cross multiply
    5,258.49x = 7,257.65 × 3,270.21
  4. Step 4: Simplify right side
    5,258.49x = 23,734,023.26
  5. Step 5: Solve for x
    x = 23,734,023.26/5,258.49
  6. Step 6: Final answer
    x = 4,513.47

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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.