Home / 5,150.48-7,720.44-2,954.64

Finding the Fourth Proportional to 5,150.48, 7,720.44 and 2,954.64

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Solution

The fourth proportional to 5,150.48, 7,720.44 and 2,954.64 is: 4,428.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,150.48 : 7,720.44 = 2,954.64 : x
  2. Step 2: Convert to fraction form
    5,150.48/7,720.44 = 2,954.64/x
  3. Step 3: Cross multiply
    5,150.48x = 7,720.44 × 2,954.64
  4. Step 4: Simplify right side
    5,150.48x = 22,811,120.84
  5. Step 5: Solve for x
    x = 22,811,120.84/5,150.48
  6. Step 6: Final answer
    x = 4,428.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.