Home / 7,374.80-11,060.04-2,756.72

Finding the Fourth Proportional to 7,374.80, 11,060.04 and 2,756.72

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Solution

The fourth proportional to 7,374.80, 11,060.04 and 2,756.72 is: 4,134.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,374.80 : 11,060.04 = 2,756.72 : x
  2. Step 2: Convert to fraction form
    7,374.80/11,060.04 = 2,756.72/x
  3. Step 3: Cross multiply
    7,374.80x = 11,060.04 × 2,756.72
  4. Step 4: Simplify right side
    7,374.80x = 30,489,433.47
  5. Step 5: Solve for x
    x = 30,489,433.47/7,374.80
  6. Step 6: Final answer
    x = 4,134.27

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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.