Home / 5,424.08-8,133.88-2,649.96

Finding the Fourth Proportional to 5,424.08, 8,133.88 and 2,649.96

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Solution

The fourth proportional to 5,424.08, 8,133.88 and 2,649.96 is: 3,973.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424.08 : 8,133.88 = 2,649.96 : x
  2. Step 2: Convert to fraction form
    5,424.08/8,133.88 = 2,649.96/x
  3. Step 3: Cross multiply
    5,424.08x = 8,133.88 × 2,649.96
  4. Step 4: Simplify right side
    5,424.08x = 21,554,456.64
  5. Step 5: Solve for x
    x = 21,554,456.64/5,424.08
  6. Step 6: Final answer
    x = 3,973.85

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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.