Home / 2,975.42-4,453.79-2,045.54

Finding the Fourth Proportional to 2,975.42, 4,453.79 and 2,045.54

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Solution

The fourth proportional to 2,975.42, 4,453.79 and 2,045.54 is: 3,061.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975.42 : 4,453.79 = 2,045.54 : x
  2. Step 2: Convert to fraction form
    2,975.42/4,453.79 = 2,045.54/x
  3. Step 3: Cross multiply
    2,975.42x = 4,453.79 × 2,045.54
  4. Step 4: Simplify right side
    2,975.42x = 9,110,405.60
  5. Step 5: Solve for x
    x = 9,110,405.60/2,975.42
  6. Step 6: Final answer
    x = 3,061.89

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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.