Home / 4,760.86-7,142.70-1,474.19

Finding the Fourth Proportional to 4,760.86, 7,142.70 and 1,474.19

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Solution

The fourth proportional to 4,760.86, 7,142.70 and 1,474.19 is: 2,211.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,760.86 : 7,142.70 = 1,474.19 : x
  2. Step 2: Convert to fraction form
    4,760.86/7,142.70 = 1,474.19/x
  3. Step 3: Cross multiply
    4,760.86x = 7,142.70 × 1,474.19
  4. Step 4: Simplify right side
    4,760.86x = 10,529,696.91
  5. Step 5: Solve for x
    x = 10,529,696.91/4,760.86
  6. Step 6: Final answer
    x = 2,211.72

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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.