Home / 4,911.10-7,366.58-1,791.08

Finding the Fourth Proportional to 4,911.10, 7,366.58 and 1,791.08

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Solution

The fourth proportional to 4,911.10, 7,366.58 and 1,791.08 is: 2,686.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,911.10 : 7,366.58 = 1,791.08 : x
  2. Step 2: Convert to fraction form
    4,911.10/7,366.58 = 1,791.08/x
  3. Step 3: Cross multiply
    4,911.10x = 7,366.58 × 1,791.08
  4. Step 4: Simplify right side
    4,911.10x = 13,194,122.66
  5. Step 5: Solve for x
    x = 13,194,122.66/4,911.10
  6. Step 6: Final answer
    x = 2,686.59

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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.