Home / 5,929.20-8,896.69-2,805.49

Finding the Fourth Proportional to 5,929.20, 8,896.69 and 2,805.49

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Solution

The fourth proportional to 5,929.20, 8,896.69 and 2,805.49 is: 4,209.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,929.20 : 8,896.69 = 2,805.49 : x
  2. Step 2: Convert to fraction form
    5,929.20/8,896.69 = 2,805.49/x
  3. Step 3: Cross multiply
    5,929.20x = 8,896.69 × 2,805.49
  4. Step 4: Simplify right side
    5,929.20x = 24,959,572.13
  5. Step 5: Solve for x
    x = 24,959,572.13/5,929.20
  6. Step 6: Final answer
    x = 4,209.60

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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.