Home / 5,474.50-7,554.81-3,118.03

Finding the Fourth Proportional to 5,474.50, 7,554.81 and 3,118.03

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Solution

The fourth proportional to 5,474.50, 7,554.81 and 3,118.03 is: 4,302.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,474.50 : 7,554.81 = 3,118.03 : x
  2. Step 2: Convert to fraction form
    5,474.50/7,554.81 = 3,118.03/x
  3. Step 3: Cross multiply
    5,474.50x = 7,554.81 × 3,118.03
  4. Step 4: Simplify right side
    5,474.50x = 23,556,124.22
  5. Step 5: Solve for x
    x = 23,556,124.22/5,474.50
  6. Step 6: Final answer
    x = 4,302.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.