Home / 2,958.03-4,438.85-1,315.35

Finding the Fourth Proportional to 2,958.03, 4,438.85 and 1,315.35

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Solution

The fourth proportional to 2,958.03, 4,438.85 and 1,315.35 is: 1,973.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,958.03 : 4,438.85 = 1,315.35 : x
  2. Step 2: Convert to fraction form
    2,958.03/4,438.85 = 1,315.35/x
  3. Step 3: Cross multiply
    2,958.03x = 4,438.85 × 1,315.35
  4. Step 4: Simplify right side
    2,958.03x = 5,838,634.77
  5. Step 5: Solve for x
    x = 5,838,634.77/2,958.03
  6. Step 6: Final answer
    x = 1,973.83

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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.