Home / 5,309.16-7,964.24-2,021.36

Finding the Fourth Proportional to 5,309.16, 7,964.24 and 2,021.36

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Solution

The fourth proportional to 5,309.16, 7,964.24 and 2,021.36 is: 3,032.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,309.16 : 7,964.24 = 2,021.36 : x
  2. Step 2: Convert to fraction form
    5,309.16/7,964.24 = 2,021.36/x
  3. Step 3: Cross multiply
    5,309.16x = 7,964.24 × 2,021.36
  4. Step 4: Simplify right side
    5,309.16x = 16,098,596.17
  5. Step 5: Solve for x
    x = 16,098,596.17/5,309.16
  6. Step 6: Final answer
    x = 3,032.23

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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.