Home / 3,431.63-4,735.67-1,859.73

Finding the Fourth Proportional to 3,431.63, 4,735.67 and 1,859.73

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Solution

The fourth proportional to 3,431.63, 4,735.67 and 1,859.73 is: 2,566.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,431.63 : 4,735.67 = 1,859.73 : x
  2. Step 2: Convert to fraction form
    3,431.63/4,735.67 = 1,859.73/x
  3. Step 3: Cross multiply
    3,431.63x = 4,735.67 × 1,859.73
  4. Step 4: Simplify right side
    3,431.63x = 8,807,058.27
  5. Step 5: Solve for x
    x = 8,807,058.27/3,431.63
  6. Step 6: Final answer
    x = 2,566.44

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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.