Home / 4,794.40-7,189.62-1,871.02

Finding the Fourth Proportional to 4,794.40, 7,189.62 and 1,871.02

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Solution

The fourth proportional to 4,794.40, 7,189.62 and 1,871.02 is: 2,805.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,794.40 : 7,189.62 = 1,871.02 : x
  2. Step 2: Convert to fraction form
    4,794.40/7,189.62 = 1,871.02/x
  3. Step 3: Cross multiply
    4,794.40x = 7,189.62 × 1,871.02
  4. Step 4: Simplify right side
    4,794.40x = 13,451,922.81
  5. Step 5: Solve for x
    x = 13,451,922.81/4,794.40
  6. Step 6: Final answer
    x = 2,805.76

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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.