Home / 5,477.22-8,223.12-2,881.98

Finding the Fourth Proportional to 5,477.22, 8,223.12 and 2,881.98

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Solution

The fourth proportional to 5,477.22, 8,223.12 and 2,881.98 is: 4,326.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,477.22 : 8,223.12 = 2,881.98 : x
  2. Step 2: Convert to fraction form
    5,477.22/8,223.12 = 2,881.98/x
  3. Step 3: Cross multiply
    5,477.22x = 8,223.12 × 2,881.98
  4. Step 4: Simplify right side
    5,477.22x = 23,698,867.38
  5. Step 5: Solve for x
    x = 23,698,867.38/5,477.22
  6. Step 6: Final answer
    x = 4,326.81

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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.