Home / 4,423.41-6,635.93-2,781.95

Finding the Fourth Proportional to 4,423.41, 6,635.93 and 2,781.95

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Solution

The fourth proportional to 4,423.41, 6,635.93 and 2,781.95 is: 4,173.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,423.41 : 6,635.93 = 2,781.95 : x
  2. Step 2: Convert to fraction form
    4,423.41/6,635.93 = 2,781.95/x
  3. Step 3: Cross multiply
    4,423.41x = 6,635.93 × 2,781.95
  4. Step 4: Simplify right side
    4,423.41x = 18,460,778.37
  5. Step 5: Solve for x
    x = 18,460,778.37/4,423.41
  6. Step 6: Final answer
    x = 4,173.43

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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.