Home / 4,445.36-6,668.12-2,255.12

Finding the Fourth Proportional to 4,445.36, 6,668.12 and 2,255.12

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Solution

The fourth proportional to 4,445.36, 6,668.12 and 2,255.12 is: 3,382.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,445.36 : 6,668.12 = 2,255.12 : x
  2. Step 2: Convert to fraction form
    4,445.36/6,668.12 = 2,255.12/x
  3. Step 3: Cross multiply
    4,445.36x = 6,668.12 × 2,255.12
  4. Step 4: Simplify right side
    4,445.36x = 15,037,410.77
  5. Step 5: Solve for x
    x = 15,037,410.77/4,445.36
  6. Step 6: Final answer
    x = 3,382.72

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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.