Home / 5,097.12-7,635.80-2,983.64

Finding the Fourth Proportional to 5,097.12, 7,635.80 and 2,983.64

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Solution

The fourth proportional to 5,097.12, 7,635.80 and 2,983.64 is: 4,469.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,097.12 : 7,635.80 = 2,983.64 : x
  2. Step 2: Convert to fraction form
    5,097.12/7,635.80 = 2,983.64/x
  3. Step 3: Cross multiply
    5,097.12x = 7,635.80 × 2,983.64
  4. Step 4: Simplify right side
    5,097.12x = 22,782,478.31
  5. Step 5: Solve for x
    x = 22,782,478.31/5,097.12
  6. Step 6: Final answer
    x = 4,469.68

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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.