Home / 5,313.22-7,968.93-1,418.02

Finding the Fourth Proportional to 5,313.22, 7,968.93 and 1,418.02

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Solution

The fourth proportional to 5,313.22, 7,968.93 and 1,418.02 is: 2,126.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,313.22 : 7,968.93 = 1,418.02 : x
  2. Step 2: Convert to fraction form
    5,313.22/7,968.93 = 1,418.02/x
  3. Step 3: Cross multiply
    5,313.22x = 7,968.93 × 1,418.02
  4. Step 4: Simplify right side
    5,313.22x = 11,300,102.12
  5. Step 5: Solve for x
    x = 11,300,102.12/5,313.22
  6. Step 6: Final answer
    x = 2,126.79

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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.