Home / 2,958.23-4,438.37-1,315.93

Finding the Fourth Proportional to 2,958.23, 4,438.37 and 1,315.93

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Solution

The fourth proportional to 2,958.23, 4,438.37 and 1,315.93 is: 1,974.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,958.23 : 4,438.37 = 1,315.93 : x
  2. Step 2: Convert to fraction form
    2,958.23/4,438.37 = 1,315.93/x
  3. Step 3: Cross multiply
    2,958.23x = 4,438.37 × 1,315.93
  4. Step 4: Simplify right side
    2,958.23x = 5,840,566.56
  5. Step 5: Solve for x
    x = 5,840,566.56/2,958.23
  6. Step 6: Final answer
    x = 1,974.34

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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.