Home / 4,133.85-6,188.47-2,742.38

Finding the Fourth Proportional to 4,133.85, 6,188.47 and 2,742.38

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Solution

The fourth proportional to 4,133.85, 6,188.47 and 2,742.38 is: 4,105.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,133.85 : 6,188.47 = 2,742.38 : x
  2. Step 2: Convert to fraction form
    4,133.85/6,188.47 = 2,742.38/x
  3. Step 3: Cross multiply
    4,133.85x = 6,188.47 × 2,742.38
  4. Step 4: Simplify right side
    4,133.85x = 16,971,105.42
  5. Step 5: Solve for x
    x = 16,971,105.42/4,133.85
  6. Step 6: Final answer
    x = 4,105.40

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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.