Home / 3,217.24-4,429.46-2,803.06

Finding the Fourth Proportional to 3,217.24, 4,429.46 and 2,803.06

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Solution

The fourth proportional to 3,217.24, 4,429.46 and 2,803.06 is: 3,859.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.24 : 4,429.46 = 2,803.06 : x
  2. Step 2: Convert to fraction form
    3,217.24/4,429.46 = 2,803.06/x
  3. Step 3: Cross multiply
    3,217.24x = 4,429.46 × 2,803.06
  4. Step 4: Simplify right side
    3,217.24x = 12,416,042.15
  5. Step 5: Solve for x
    x = 12,416,042.15/3,217.24
  6. Step 6: Final answer
    x = 3,859.22

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1.5x scale

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.