Home / 2,375.42-3,280.26-1,537.58

Finding the Fourth Proportional to 2,375.42, 3,280.26 and 1,537.58

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Solution

The fourth proportional to 2,375.42, 3,280.26 and 1,537.58 is: 2,123.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,375.42 : 3,280.26 = 1,537.58 : x
  2. Step 2: Convert to fraction form
    2,375.42/3,280.26 = 1,537.58/x
  3. Step 3: Cross multiply
    2,375.42x = 3,280.26 × 1,537.58
  4. Step 4: Simplify right side
    2,375.42x = 5,043,645.77
  5. Step 5: Solve for x
    x = 5,043,645.77/2,375.42
  6. Step 6: Final answer
    x = 2,123.27

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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.