Home / 3,742.12-5,614.50-1,661.93

Finding the Fourth Proportional to 3,742.12, 5,614.50 and 1,661.93

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Solution

The fourth proportional to 3,742.12, 5,614.50 and 1,661.93 is: 2,493.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.12 : 5,614.50 = 1,661.93 : x
  2. Step 2: Convert to fraction form
    3,742.12/5,614.50 = 1,661.93/x
  3. Step 3: Cross multiply
    3,742.12x = 5,614.50 × 1,661.93
  4. Step 4: Simplify right side
    3,742.12x = 9,330,927.43
  5. Step 5: Solve for x
    x = 9,330,927.43/3,742.12
  6. Step 6: Final answer
    x = 2,493.49

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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.