Home / 7,903.20-11,847.42-3,952.02

Finding the Fourth Proportional to 7,903.20, 11,847.42 and 3,952.02

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Solution

The fourth proportional to 7,903.20, 11,847.42 and 3,952.02 is: 5,924.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,903.20 : 11,847.42 = 3,952.02 : x
  2. Step 2: Convert to fraction form
    7,903.20/11,847.42 = 3,952.02/x
  3. Step 3: Cross multiply
    7,903.20x = 11,847.42 × 3,952.02
  4. Step 4: Simplify right side
    7,903.20x = 46,821,240.79
  5. Step 5: Solve for x
    x = 46,821,240.79/7,903.20
  6. Step 6: Final answer
    x = 5,924.34

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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.