Home / 5,261.71-7,261.16-3,023.79

Finding the Fourth Proportional to 5,261.71, 7,261.16 and 3,023.79

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Solution

The fourth proportional to 5,261.71, 7,261.16 and 3,023.79 is: 4,172.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.71 : 7,261.16 = 3,023.79 : x
  2. Step 2: Convert to fraction form
    5,261.71/7,261.16 = 3,023.79/x
  3. Step 3: Cross multiply
    5,261.71x = 7,261.16 × 3,023.79
  4. Step 4: Simplify right side
    5,261.71x = 21,956,223.00
  5. Step 5: Solve for x
    x = 21,956,223.00/5,261.71
  6. Step 6: Final answer
    x = 4,172.83

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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.