Home / 1,451.44-2,001.11-1,053.68

Finding the Fourth Proportional to 1,451.44, 2,001.11 and 1,053.68

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Solution

The fourth proportional to 1,451.44, 2,001.11 and 1,053.68 is: 1,452.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451.44 : 2,001.11 = 1,053.68 : x
  2. Step 2: Convert to fraction form
    1,451.44/2,001.11 = 1,053.68/x
  3. Step 3: Cross multiply
    1,451.44x = 2,001.11 × 1,053.68
  4. Step 4: Simplify right side
    1,451.44x = 2,108,519.58
  5. Step 5: Solve for x
    x = 2,108,519.58/1,451.44
  6. Step 6: Final answer
    x = 1,452.71

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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.