Home / 3,219.84-4,824.20-1,760.02

Finding the Fourth Proportional to 3,219.84, 4,824.20 and 1,760.02

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Solution

The fourth proportional to 3,219.84, 4,824.20 and 1,760.02 is: 2,636.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.84 : 4,824.20 = 1,760.02 : x
  2. Step 2: Convert to fraction form
    3,219.84/4,824.20 = 1,760.02/x
  3. Step 3: Cross multiply
    3,219.84x = 4,824.20 × 1,760.02
  4. Step 4: Simplify right side
    3,219.84x = 8,490,688.48
  5. Step 5: Solve for x
    x = 8,490,688.48/3,219.84
  6. Step 6: Final answer
    x = 2,636.99

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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.