Home / 6,704.72-10,060.80-3,418.40

Finding the Fourth Proportional to 6,704.72, 10,060.80 and 3,418.40

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Solution

The fourth proportional to 6,704.72, 10,060.80 and 3,418.40 is: 5,129.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,704.72 : 10,060.80 = 3,418.40 : x
  2. Step 2: Convert to fraction form
    6,704.72/10,060.80 = 3,418.40/x
  3. Step 3: Cross multiply
    6,704.72x = 10,060.80 × 3,418.40
  4. Step 4: Simplify right side
    6,704.72x = 34,391,838.72
  5. Step 5: Solve for x
    x = 34,391,838.72/6,704.72
  6. Step 6: Final answer
    x = 5,129.50

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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.