Home / 2,436.12-3,651.30-2,148.12

Finding the Fourth Proportional to 2,436.12, 3,651.30 and 2,148.12

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Solution

The fourth proportional to 2,436.12, 3,651.30 and 2,148.12 is: 3,219.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,436.12 : 3,651.30 = 2,148.12 : x
  2. Step 2: Convert to fraction form
    2,436.12/3,651.30 = 2,148.12/x
  3. Step 3: Cross multiply
    2,436.12x = 3,651.30 × 2,148.12
  4. Step 4: Simplify right side
    2,436.12x = 7,843,430.56
  5. Step 5: Solve for x
    x = 7,843,430.56/2,436.12
  6. Step 6: Final answer
    x = 3,219.64

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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.