Home / 4,973.94-7,458.39-2,782.08

Finding the Fourth Proportional to 4,973.94, 7,458.39 and 2,782.08

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Solution

The fourth proportional to 4,973.94, 7,458.39 and 2,782.08 is: 4,171.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,973.94 : 7,458.39 = 2,782.08 : x
  2. Step 2: Convert to fraction form
    4,973.94/7,458.39 = 2,782.08/x
  3. Step 3: Cross multiply
    4,973.94x = 7,458.39 × 2,782.08
  4. Step 4: Simplify right side
    4,973.94x = 20,749,837.65
  5. Step 5: Solve for x
    x = 20,749,837.65/4,973.94
  6. Step 6: Final answer
    x = 4,171.71

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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.