Home / 3,953.86-5,930.73-1,180.54

Finding the Fourth Proportional to 3,953.86, 5,930.73 and 1,180.54

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Solution

The fourth proportional to 3,953.86, 5,930.73 and 1,180.54 is: 1,770.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,953.86 : 5,930.73 = 1,180.54 : x
  2. Step 2: Convert to fraction form
    3,953.86/5,930.73 = 1,180.54/x
  3. Step 3: Cross multiply
    3,953.86x = 5,930.73 × 1,180.54
  4. Step 4: Simplify right side
    3,953.86x = 7,001,463.99
  5. Step 5: Solve for x
    x = 7,001,463.99/3,953.86
  6. Step 6: Final answer
    x = 1,770.79

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1.5x scale

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.