Home / 5,438.44-8,161.31-3,492.01

Finding the Fourth Proportional to 5,438.44, 8,161.31 and 3,492.01

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Solution

The fourth proportional to 5,438.44, 8,161.31 and 3,492.01 is: 5,240.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438.44 : 8,161.31 = 3,492.01 : x
  2. Step 2: Convert to fraction form
    5,438.44/8,161.31 = 3,492.01/x
  3. Step 3: Cross multiply
    5,438.44x = 8,161.31 × 3,492.01
  4. Step 4: Simplify right side
    5,438.44x = 28,499,384.89
  5. Step 5: Solve for x
    x = 28,499,384.89/5,438.44
  6. Step 6: Final answer
    x = 5,240.36

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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.