Home / 3,173.07-4,760.55-981.96

Finding the Fourth Proportional to 3,173.07, 4,760.55 and 981.96

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Solution

The fourth proportional to 3,173.07, 4,760.55 and 981.96 is: 1,473.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,173.07 : 4,760.55 = 981.96 : x
  2. Step 2: Convert to fraction form
    3,173.07/4,760.55 = 981.96/x
  3. Step 3: Cross multiply
    3,173.07x = 4,760.55 × 981.96
  4. Step 4: Simplify right side
    3,173.07x = 4,674,669.68
  5. Step 5: Solve for x
    x = 4,674,669.68/3,173.07
  6. Step 6: Final answer
    x = 1,473.23

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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.