Home / 5,072.48-6,998-3,749.36

Finding the Fourth Proportional to 5,072.48, 6,998 and 3,749.36

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Solution

The fourth proportional to 5,072.48, 6,998 and 3,749.36 is: 5,172.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,072.48 : 6,998 = 3,749.36 : x
  2. Step 2: Convert to fraction form
    5,072.48/6,998 = 3,749.36/x
  3. Step 3: Cross multiply
    5,072.48x = 6,998 × 3,749.36
  4. Step 4: Simplify right side
    5,072.48x = 26,238,021.28
  5. Step 5: Solve for x
    x = 26,238,021.28/5,072.48
  6. Step 6: Final answer
    x = 5,172.62

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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.