Home / 5,261.97-7,261.41-2,904.09

Finding the Fourth Proportional to 5,261.97, 7,261.41 and 2,904.09

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Solution

The fourth proportional to 5,261.97, 7,261.41 and 2,904.09 is: 4,007.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.97 : 7,261.41 = 2,904.09 : x
  2. Step 2: Convert to fraction form
    5,261.97/7,261.41 = 2,904.09/x
  3. Step 3: Cross multiply
    5,261.97x = 7,261.41 × 2,904.09
  4. Step 4: Simplify right side
    5,261.97x = 21,087,788.17
  5. Step 5: Solve for x
    x = 21,087,788.17/5,261.97
  6. Step 6: Final answer
    x = 4,007.58

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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.