Home / 5,040.48-7,561.33-2,118.41

Finding the Fourth Proportional to 5,040.48, 7,561.33 and 2,118.41

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Solution

The fourth proportional to 5,040.48, 7,561.33 and 2,118.41 is: 3,177.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,040.48 : 7,561.33 = 2,118.41 : x
  2. Step 2: Convert to fraction form
    5,040.48/7,561.33 = 2,118.41/x
  3. Step 3: Cross multiply
    5,040.48x = 7,561.33 × 2,118.41
  4. Step 4: Simplify right side
    5,040.48x = 16,017,953.98
  5. Step 5: Solve for x
    x = 16,017,953.98/5,040.48
  6. Step 6: Final answer
    x = 3,177.86

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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.