Home / 3,815.72-5,266.20-2,244.32

Finding the Fourth Proportional to 3,815.72, 5,266.20 and 2,244.32

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Solution

The fourth proportional to 3,815.72, 5,266.20 and 2,244.32 is: 3,097.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815.72 : 5,266.20 = 2,244.32 : x
  2. Step 2: Convert to fraction form
    3,815.72/5,266.20 = 2,244.32/x
  3. Step 3: Cross multiply
    3,815.72x = 5,266.20 × 2,244.32
  4. Step 4: Simplify right side
    3,815.72x = 11,819,037.98
  5. Step 5: Solve for x
    x = 11,819,037.98/3,815.72
  6. Step 6: Final answer
    x = 3,097.46

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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.