Home / 7,291.90-10,939.58-2,361.54

Finding the Fourth Proportional to 7,291.90, 10,939.58 and 2,361.54

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Solution

The fourth proportional to 7,291.90, 10,939.58 and 2,361.54 is: 3,542.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,291.90 : 10,939.58 = 2,361.54 : x
  2. Step 2: Convert to fraction form
    7,291.90/10,939.58 = 2,361.54/x
  3. Step 3: Cross multiply
    7,291.90x = 10,939.58 × 2,361.54
  4. Step 4: Simplify right side
    7,291.90x = 25,834,206.96
  5. Step 5: Solve for x
    x = 25,834,206.96/7,291.90
  6. Step 6: Final answer
    x = 3,542.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.