Home / 3,218.91-4,824.20-3,184.08

Finding the Fourth Proportional to 3,218.91, 4,824.20 and 3,184.08

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Solution

The fourth proportional to 3,218.91, 4,824.20 and 3,184.08 is: 4,772.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218.91 : 4,824.20 = 3,184.08 : x
  2. Step 2: Convert to fraction form
    3,218.91/4,824.20 = 3,184.08/x
  3. Step 3: Cross multiply
    3,218.91x = 4,824.20 × 3,184.08
  4. Step 4: Simplify right side
    3,218.91x = 15,360,622.82
  5. Step 5: Solve for x
    x = 15,360,622.82/3,218.91
  6. Step 6: Final answer
    x = 4,772.00

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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.