Home / 1,629.43-2,248.21-966.44

Finding the Fourth Proportional to 1,629.43, 2,248.21 and 966.44

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Solution

The fourth proportional to 1,629.43, 2,248.21 and 966.44 is: 1,333.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.43 : 2,248.21 = 966.44 : x
  2. Step 2: Convert to fraction form
    1,629.43/2,248.21 = 966.44/x
  3. Step 3: Cross multiply
    1,629.43x = 2,248.21 × 966.44
  4. Step 4: Simplify right side
    1,629.43x = 2,172,760.07
  5. Step 5: Solve for x
    x = 2,172,760.07/1,629.43
  6. Step 6: Final answer
    x = 1,333.45

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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.