Home / 2,944.78-4,421.04-1,975.22

Finding the Fourth Proportional to 2,944.78, 4,421.04 and 1,975.22

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Solution

The fourth proportional to 2,944.78, 4,421.04 and 1,975.22 is: 2,965.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,944.78 : 4,421.04 = 1,975.22 : x
  2. Step 2: Convert to fraction form
    2,944.78/4,421.04 = 1,975.22/x
  3. Step 3: Cross multiply
    2,944.78x = 4,421.04 × 1,975.22
  4. Step 4: Simplify right side
    2,944.78x = 8,732,526.63
  5. Step 5: Solve for x
    x = 8,732,526.63/2,944.78
  6. Step 6: Final answer
    x = 2,965.43

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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.