Home / 3,225.65-4,453.26-2,106.10

Finding the Fourth Proportional to 3,225.65, 4,453.26 and 2,106.10

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Solution

The fourth proportional to 3,225.65, 4,453.26 and 2,106.10 is: 2,907.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225.65 : 4,453.26 = 2,106.10 : x
  2. Step 2: Convert to fraction form
    3,225.65/4,453.26 = 2,106.10/x
  3. Step 3: Cross multiply
    3,225.65x = 4,453.26 × 2,106.10
  4. Step 4: Simplify right side
    3,225.65x = 9,378,988.62
  5. Step 5: Solve for x
    x = 9,378,988.62/3,225.65
  6. Step 6: Final answer
    x = 2,907.63

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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.