Home / 3,845.49-5,735.40-3,264.31

Finding the Fourth Proportional to 3,845.49, 5,735.40 and 3,264.31

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Solution

The fourth proportional to 3,845.49, 5,735.40 and 3,264.31 is: 4,868.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845.49 : 5,735.40 = 3,264.31 : x
  2. Step 2: Convert to fraction form
    3,845.49/5,735.40 = 3,264.31/x
  3. Step 3: Cross multiply
    3,845.49x = 5,735.40 × 3,264.31
  4. Step 4: Simplify right side
    3,845.49x = 18,722,123.57
  5. Step 5: Solve for x
    x = 18,722,123.57/3,845.49
  6. Step 6: Final answer
    x = 4,868.59

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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.