Home / 3,515.95-4,851.57-1,944.07

Finding the Fourth Proportional to 3,515.95, 4,851.57 and 1,944.07

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Solution

The fourth proportional to 3,515.95, 4,851.57 and 1,944.07 is: 2,682.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.95 : 4,851.57 = 1,944.07 : x
  2. Step 2: Convert to fraction form
    3,515.95/4,851.57 = 1,944.07/x
  3. Step 3: Cross multiply
    3,515.95x = 4,851.57 × 1,944.07
  4. Step 4: Simplify right side
    3,515.95x = 9,431,791.69
  5. Step 5: Solve for x
    x = 9,431,791.69/3,515.95
  6. Step 6: Final answer
    x = 2,682.57

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1.5x scale

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.