Home / 4,319.79-5,960.25-2,431

Finding the Fourth Proportional to 4,319.79, 5,960.25 and 2,431

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Solution

The fourth proportional to 4,319.79, 5,960.25 and 2,431 is: 3,354.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,319.79 : 5,960.25 = 2,431 : x
  2. Step 2: Convert to fraction form
    4,319.79/5,960.25 = 2,431/x
  3. Step 3: Cross multiply
    4,319.79x = 5,960.25 × 2,431
  4. Step 4: Simplify right side
    4,319.79x = 14,489,367.75
  5. Step 5: Solve for x
    x = 14,489,367.75/4,319.79
  6. Step 6: Final answer
    x = 3,354.18

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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.