Home / 2,231.44-3,333.58-1,445.03

Finding the Fourth Proportional to 2,231.44, 3,333.58 and 1,445.03

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Solution

The fourth proportional to 2,231.44, 3,333.58 and 1,445.03 is: 2,158.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231.44 : 3,333.58 = 1,445.03 : x
  2. Step 2: Convert to fraction form
    2,231.44/3,333.58 = 1,445.03/x
  3. Step 3: Cross multiply
    2,231.44x = 3,333.58 × 1,445.03
  4. Step 4: Simplify right side
    2,231.44x = 4,817,123.11
  5. Step 5: Solve for x
    x = 4,817,123.11/2,231.44
  6. Step 6: Final answer
    x = 2,158.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.