Home / 9,220.41-13,827.58-2,978.95

Finding the Fourth Proportional to 9,220.41, 13,827.58 and 2,978.95

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Solution

The fourth proportional to 9,220.41, 13,827.58 and 2,978.95 is: 4,467.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,220.41 : 13,827.58 = 2,978.95 : x
  2. Step 2: Convert to fraction form
    9,220.41/13,827.58 = 2,978.95/x
  3. Step 3: Cross multiply
    9,220.41x = 13,827.58 × 2,978.95
  4. Step 4: Simplify right side
    9,220.41x = 41,191,669.44
  5. Step 5: Solve for x
    x = 41,191,669.44/9,220.41
  6. Step 6: Final answer
    x = 4,467.44

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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.