Home / 4,319.80-5,961.45-2,431.33

Finding the Fourth Proportional to 4,319.80, 5,961.45 and 2,431.33

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Solution

The fourth proportional to 4,319.80, 5,961.45 and 2,431.33 is: 3,355.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,319.80 : 5,961.45 = 2,431.33 : x
  2. Step 2: Convert to fraction form
    4,319.80/5,961.45 = 2,431.33/x
  3. Step 3: Cross multiply
    4,319.80x = 5,961.45 × 2,431.33
  4. Step 4: Simplify right side
    4,319.80x = 14,494,252.23
  5. Step 5: Solve for x
    x = 14,494,252.23/4,319.80
  6. Step 6: Final answer
    x = 3,355.31

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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.