Home / 7,029.56-10,540.66-3,515.80

Finding the Fourth Proportional to 7,029.56, 10,540.66 and 3,515.80

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Solution

The fourth proportional to 7,029.56, 10,540.66 and 3,515.80 is: 5,271.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,029.56 : 10,540.66 = 3,515.80 : x
  2. Step 2: Convert to fraction form
    7,029.56/10,540.66 = 3,515.80/x
  3. Step 3: Cross multiply
    7,029.56x = 10,540.66 × 3,515.80
  4. Step 4: Simplify right side
    7,029.56x = 37,058,852.43
  5. Step 5: Solve for x
    x = 37,058,852.43/7,029.56
  6. Step 6: Final answer
    x = 5,271.86

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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.