Home / 3,515.67-4,851.63-1,943.77

Finding the Fourth Proportional to 3,515.67, 4,851.63 and 1,943.77

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Solution

The fourth proportional to 3,515.67, 4,851.63 and 1,943.77 is: 2,682.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.67 : 4,851.63 = 1,943.77 : x
  2. Step 2: Convert to fraction form
    3,515.67/4,851.63 = 1,943.77/x
  3. Step 3: Cross multiply
    3,515.67x = 4,851.63 × 1,943.77
  4. Step 4: Simplify right side
    3,515.67x = 9,430,452.85
  5. Step 5: Solve for x
    x = 9,430,452.85/3,515.67
  6. Step 6: Final answer
    x = 2,682.41

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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.