Home / 8,281.41-12,420.35-2,733.45

Finding the Fourth Proportional to 8,281.41, 12,420.35 and 2,733.45

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Solution

The fourth proportional to 8,281.41, 12,420.35 and 2,733.45 is: 4,099.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,281.41 : 12,420.35 = 2,733.45 : x
  2. Step 2: Convert to fraction form
    8,281.41/12,420.35 = 2,733.45/x
  3. Step 3: Cross multiply
    8,281.41x = 12,420.35 × 2,733.45
  4. Step 4: Simplify right side
    8,281.41x = 33,950,405.71
  5. Step 5: Solve for x
    x = 33,950,405.71/8,281.41
  6. Step 6: Final answer
    x = 4,099.59

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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.