Home / 4,160.40-5,741.16-2,391.90

Finding the Fourth Proportional to 4,160.40, 5,741.16 and 2,391.90

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Solution

The fourth proportional to 4,160.40, 5,741.16 and 2,391.90 is: 3,300.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,160.40 : 5,741.16 = 2,391.90 : x
  2. Step 2: Convert to fraction form
    4,160.40/5,741.16 = 2,391.90/x
  3. Step 3: Cross multiply
    4,160.40x = 5,741.16 × 2,391.90
  4. Step 4: Simplify right side
    4,160.40x = 13,732,280.60
  5. Step 5: Solve for x
    x = 13,732,280.60/4,160.40
  6. Step 6: Final answer
    x = 3,300.71

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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.