Home / 2,391.41-3,585-1,160.03

Finding the Fourth Proportional to 2,391.41, 3,585 and 1,160.03

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Solution

The fourth proportional to 2,391.41, 3,585 and 1,160.03 is: 1,739.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,391.41 : 3,585 = 1,160.03 : x
  2. Step 2: Convert to fraction form
    2,391.41/3,585 = 1,160.03/x
  3. Step 3: Cross multiply
    2,391.41x = 3,585 × 1,160.03
  4. Step 4: Simplify right side
    2,391.41x = 4,158,707.55
  5. Step 5: Solve for x
    x = 4,158,707.55/2,391.41
  6. Step 6: Final answer
    x = 1,739.02

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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.