Home / 7,621.50-11,432.69-2,941.53

Finding the Fourth Proportional to 7,621.50, 11,432.69 and 2,941.53

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Solution

The fourth proportional to 7,621.50, 11,432.69 and 2,941.53 is: 4,412.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,621.50 : 11,432.69 = 2,941.53 : x
  2. Step 2: Convert to fraction form
    7,621.50/11,432.69 = 2,941.53/x
  3. Step 3: Cross multiply
    7,621.50x = 11,432.69 × 2,941.53
  4. Step 4: Simplify right side
    7,621.50x = 33,629,600.62
  5. Step 5: Solve for x
    x = 33,629,600.62/7,621.50
  6. Step 6: Final answer
    x = 4,412.46

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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.