Home / 4,160.68-5,740.36-2,745.07

Finding the Fourth Proportional to 4,160.68, 5,740.36 and 2,745.07

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Solution

The fourth proportional to 4,160.68, 5,740.36 and 2,745.07 is: 3,787.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,160.68 : 5,740.36 = 2,745.07 : x
  2. Step 2: Convert to fraction form
    4,160.68/5,740.36 = 2,745.07/x
  3. Step 3: Cross multiply
    4,160.68x = 5,740.36 × 2,745.07
  4. Step 4: Simplify right side
    4,160.68x = 15,757,668.81
  5. Step 5: Solve for x
    x = 15,757,668.81/4,160.68
  6. Step 6: Final answer
    x = 3,787.28

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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.