Home / 5,148.86-7,103.75-2,910.51

Finding the Fourth Proportional to 5,148.86, 7,103.75 and 2,910.51

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Solution

The fourth proportional to 5,148.86, 7,103.75 and 2,910.51 is: 4,015.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148.86 : 7,103.75 = 2,910.51 : x
  2. Step 2: Convert to fraction form
    5,148.86/7,103.75 = 2,910.51/x
  3. Step 3: Cross multiply
    5,148.86x = 7,103.75 × 2,910.51
  4. Step 4: Simplify right side
    5,148.86x = 20,675,520.86
  5. Step 5: Solve for x
    x = 20,675,520.86/5,148.86
  6. Step 6: Final answer
    x = 4,015.56

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.