Home / 7,975.86-11,963.28-3,045.96

Finding the Fourth Proportional to 7,975.86, 11,963.28 and 3,045.96

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Solution

The fourth proportional to 7,975.86, 11,963.28 and 3,045.96 is: 4,568.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,975.86 : 11,963.28 = 3,045.96 : x
  2. Step 2: Convert to fraction form
    7,975.86/11,963.28 = 3,045.96/x
  3. Step 3: Cross multiply
    7,975.86x = 11,963.28 × 3,045.96
  4. Step 4: Simplify right side
    7,975.86x = 36,439,672.35
  5. Step 5: Solve for x
    x = 36,439,672.35/7,975.86
  6. Step 6: Final answer
    x = 4,568.75

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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.