Home / 4,123.87-5,691.01-2,235.49

Finding the Fourth Proportional to 4,123.87, 5,691.01 and 2,235.49

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Solution

The fourth proportional to 4,123.87, 5,691.01 and 2,235.49 is: 3,085.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,123.87 : 5,691.01 = 2,235.49 : x
  2. Step 2: Convert to fraction form
    4,123.87/5,691.01 = 2,235.49/x
  3. Step 3: Cross multiply
    4,123.87x = 5,691.01 × 2,235.49
  4. Step 4: Simplify right side
    4,123.87x = 12,722,195.94
  5. Step 5: Solve for x
    x = 12,722,195.94/4,123.87
  6. Step 6: Final answer
    x = 3,085.01

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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.