Home / 5,258.73-7,257.09-2,900.91

Finding the Fourth Proportional to 5,258.73, 7,257.09 and 2,900.91

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Solution

The fourth proportional to 5,258.73, 7,257.09 and 2,900.91 is: 4,003.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,258.73 : 7,257.09 = 2,900.91 : x
  2. Step 2: Convert to fraction form
    5,258.73/7,257.09 = 2,900.91/x
  3. Step 3: Cross multiply
    5,258.73x = 7,257.09 × 2,900.91
  4. Step 4: Simplify right side
    5,258.73x = 21,052,164.95
  5. Step 5: Solve for x
    x = 21,052,164.95/5,258.73
  6. Step 6: Final answer
    x = 4,003.28

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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.