Home / 2,945.31-4,064.07-1,884.03

Finding the Fourth Proportional to 2,945.31, 4,064.07 and 1,884.03

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Solution

The fourth proportional to 2,945.31, 4,064.07 and 1,884.03 is: 2,599.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945.31 : 4,064.07 = 1,884.03 : x
  2. Step 2: Convert to fraction form
    2,945.31/4,064.07 = 1,884.03/x
  3. Step 3: Cross multiply
    2,945.31x = 4,064.07 × 1,884.03
  4. Step 4: Simplify right side
    2,945.31x = 7,656,814.56
  5. Step 5: Solve for x
    x = 7,656,814.56/2,945.31
  6. Step 6: Final answer
    x = 2,599.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.