Home / 2,849.84-3,929.28-2,063.60

Finding the Fourth Proportional to 2,849.84, 3,929.28 and 2,063.60

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Solution

The fourth proportional to 2,849.84, 3,929.28 and 2,063.60 is: 2,845.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.84 : 3,929.28 = 2,063.60 : x
  2. Step 2: Convert to fraction form
    2,849.84/3,929.28 = 2,063.60/x
  3. Step 3: Cross multiply
    2,849.84x = 3,929.28 × 2,063.60
  4. Step 4: Simplify right side
    2,849.84x = 8,108,462.21
  5. Step 5: Solve for x
    x = 8,108,462.21/2,849.84
  6. Step 6: Final answer
    x = 2,845.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.