Home / 4,176.88-5,761.56-2,760.56

Finding the Fourth Proportional to 4,176.88, 5,761.56 and 2,760.56

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Solution

The fourth proportional to 4,176.88, 5,761.56 and 2,760.56 is: 3,807.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,176.88 : 5,761.56 = 2,760.56 : x
  2. Step 2: Convert to fraction form
    4,176.88/5,761.56 = 2,760.56/x
  3. Step 3: Cross multiply
    4,176.88x = 5,761.56 × 2,760.56
  4. Step 4: Simplify right side
    4,176.88x = 15,905,132.07
  5. Step 5: Solve for x
    x = 15,905,132.07/4,176.88
  6. Step 6: Final answer
    x = 3,807.90

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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.