Home / 4,160.70-5,740.47-2,391.66

Finding the Fourth Proportional to 4,160.70, 5,740.47 and 2,391.66

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Solution

The fourth proportional to 4,160.70, 5,740.47 and 2,391.66 is: 3,299.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,160.70 : 5,740.47 = 2,391.66 : x
  2. Step 2: Convert to fraction form
    4,160.70/5,740.47 = 2,391.66/x
  3. Step 3: Cross multiply
    4,160.70x = 5,740.47 × 2,391.66
  4. Step 4: Simplify right side
    4,160.70x = 13,729,252.48
  5. Step 5: Solve for x
    x = 13,729,252.48/4,160.70
  6. Step 6: Final answer
    x = 3,299.75

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1.5x scale

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.