Home / 3,228.65-4,838.36-1,839.12

Finding the Fourth Proportional to 3,228.65, 4,838.36 and 1,839.12

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Solution

The fourth proportional to 3,228.65, 4,838.36 and 1,839.12 is: 2,756.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228.65 : 4,838.36 = 1,839.12 : x
  2. Step 2: Convert to fraction form
    3,228.65/4,838.36 = 1,839.12/x
  3. Step 3: Cross multiply
    3,228.65x = 4,838.36 × 1,839.12
  4. Step 4: Simplify right side
    3,228.65x = 8,898,315.45
  5. Step 5: Solve for x
    x = 8,898,315.45/3,228.65
  6. Step 6: Final answer
    x = 2,756.05

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1.5x scale

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.