Home / 4,911.32-7,368.92-1,791.54

Finding the Fourth Proportional to 4,911.32, 7,368.92 and 1,791.54

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Solution

The fourth proportional to 4,911.32, 7,368.92 and 1,791.54 is: 2,688.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,911.32 : 7,368.92 = 1,791.54 : x
  2. Step 2: Convert to fraction form
    4,911.32/7,368.92 = 1,791.54/x
  3. Step 3: Cross multiply
    4,911.32x = 7,368.92 × 1,791.54
  4. Step 4: Simplify right side
    4,911.32x = 13,201,705.98
  5. Step 5: Solve for x
    x = 13,201,705.98/4,911.32
  6. Step 6: Final answer
    x = 2,688.02

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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.