Home / 3,123.23-4,304.12-2,237.49

Finding the Fourth Proportional to 3,123.23, 4,304.12 and 2,237.49

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Solution

The fourth proportional to 3,123.23, 4,304.12 and 2,237.49 is: 3,083.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,123.23 : 4,304.12 = 2,237.49 : x
  2. Step 2: Convert to fraction form
    3,123.23/4,304.12 = 2,237.49/x
  3. Step 3: Cross multiply
    3,123.23x = 4,304.12 × 2,237.49
  4. Step 4: Simplify right side
    3,123.23x = 9,630,414.27
  5. Step 5: Solve for x
    x = 9,630,414.27/3,123.23
  6. Step 6: Final answer
    x = 3,083.48

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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.