Home / 4,935.42-7,401.51-1,972.80

Finding the Fourth Proportional to 4,935.42, 7,401.51 and 1,972.80

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Solution

The fourth proportional to 4,935.42, 7,401.51 and 1,972.80 is: 2,958.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,935.42 : 7,401.51 = 1,972.80 : x
  2. Step 2: Convert to fraction form
    4,935.42/7,401.51 = 1,972.80/x
  3. Step 3: Cross multiply
    4,935.42x = 7,401.51 × 1,972.80
  4. Step 4: Simplify right side
    4,935.42x = 14,601,698.93
  5. Step 5: Solve for x
    x = 14,601,698.93/4,935.42
  6. Step 6: Final answer
    x = 2,958.55

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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.