Home / 3,946.86-5,921.30-1,173.51

Finding the Fourth Proportional to 3,946.86, 5,921.30 and 1,173.51

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Solution

The fourth proportional to 3,946.86, 5,921.30 and 1,173.51 is: 1,760.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946.86 : 5,921.30 = 1,173.51 : x
  2. Step 2: Convert to fraction form
    3,946.86/5,921.30 = 1,173.51/x
  3. Step 3: Cross multiply
    3,946.86x = 5,921.30 × 1,173.51
  4. Step 4: Simplify right side
    3,946.86x = 6,948,707.70
  5. Step 5: Solve for x
    x = 6,948,707.70/3,946.86
  6. Step 6: Final answer
    x = 1,760.57

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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.