Home / 3,133.09-4,697.20-1,284.67

Finding the Fourth Proportional to 3,133.09, 4,697.20 and 1,284.67

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Solution

The fourth proportional to 3,133.09, 4,697.20 and 1,284.67 is: 1,926.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.09 : 4,697.20 = 1,284.67 : x
  2. Step 2: Convert to fraction form
    3,133.09/4,697.20 = 1,284.67/x
  3. Step 3: Cross multiply
    3,133.09x = 4,697.20 × 1,284.67
  4. Step 4: Simplify right side
    3,133.09x = 6,034,351.92
  5. Step 5: Solve for x
    x = 6,034,351.92/3,133.09
  6. Step 6: Final answer
    x = 1,926.01

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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.