Home / 5,628.30-8,443.32-2,509.38

Finding the Fourth Proportional to 5,628.30, 8,443.32 and 2,509.38

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Solution

The fourth proportional to 5,628.30, 8,443.32 and 2,509.38 is: 3,764.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628.30 : 8,443.32 = 2,509.38 : x
  2. Step 2: Convert to fraction form
    5,628.30/8,443.32 = 2,509.38/x
  3. Step 3: Cross multiply
    5,628.30x = 8,443.32 × 2,509.38
  4. Step 4: Simplify right side
    5,628.30x = 21,187,498.34
  5. Step 5: Solve for x
    x = 21,187,498.34/5,628.30
  6. Step 6: Final answer
    x = 3,764.46

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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.