Home / 4,835.22-7,242.30-2,986.80

Finding the Fourth Proportional to 4,835.22, 7,242.30 and 2,986.80

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Solution

The fourth proportional to 4,835.22, 7,242.30 and 2,986.80 is: 4,473.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,835.22 : 7,242.30 = 2,986.80 : x
  2. Step 2: Convert to fraction form
    4,835.22/7,242.30 = 2,986.80/x
  3. Step 3: Cross multiply
    4,835.22x = 7,242.30 × 2,986.80
  4. Step 4: Simplify right side
    4,835.22x = 21,631,301.64
  5. Step 5: Solve for x
    x = 21,631,301.64/4,835.22
  6. Step 6: Final answer
    x = 4,473.70

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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.