Home / 7,029.40-10,540.62-3,741.60

Finding the Fourth Proportional to 7,029.40, 10,540.62 and 3,741.60

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Solution

The fourth proportional to 7,029.40, 10,540.62 and 3,741.60 is: 5,610.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,029.40 : 10,540.62 = 3,741.60 : x
  2. Step 2: Convert to fraction form
    7,029.40/10,540.62 = 3,741.60/x
  3. Step 3: Cross multiply
    7,029.40x = 10,540.62 × 3,741.60
  4. Step 4: Simplify right side
    7,029.40x = 39,438,783.79
  5. Step 5: Solve for x
    x = 39,438,783.79/7,029.40
  6. Step 6: Final answer
    x = 5,610.55

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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.