Home / 3,447.40-5,169.21-2,353

Finding the Fourth Proportional to 3,447.40, 5,169.21 and 2,353

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Solution

The fourth proportional to 3,447.40, 5,169.21 and 2,353 is: 3,528.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,447.40 : 5,169.21 = 2,353 : x
  2. Step 2: Convert to fraction form
    3,447.40/5,169.21 = 2,353/x
  3. Step 3: Cross multiply
    3,447.40x = 5,169.21 × 2,353
  4. Step 4: Simplify right side
    3,447.40x = 12,163,151.13
  5. Step 5: Solve for x
    x = 12,163,151.13/3,447.40
  6. Step 6: Final answer
    x = 3,528.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.