Home / 2,123.62-3,163.53-2,059.14

Finding the Fourth Proportional to 2,123.62, 3,163.53 and 2,059.14

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Solution

The fourth proportional to 2,123.62, 3,163.53 and 2,059.14 is: 3,067.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,123.62 : 3,163.53 = 2,059.14 : x
  2. Step 2: Convert to fraction form
    2,123.62/3,163.53 = 2,059.14/x
  3. Step 3: Cross multiply
    2,123.62x = 3,163.53 × 2,059.14
  4. Step 4: Simplify right side
    2,123.62x = 6,514,151.16
  5. Step 5: Solve for x
    x = 6,514,151.16/2,123.62
  6. Step 6: Final answer
    x = 3,067.47

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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.