Home / 4,124.88-5,687.31-2,866.98

Finding the Fourth Proportional to 4,124.88, 5,687.31 and 2,866.98

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Solution

The fourth proportional to 4,124.88, 5,687.31 and 2,866.98 is: 3,952.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,124.88 : 5,687.31 = 2,866.98 : x
  2. Step 2: Convert to fraction form
    4,124.88/5,687.31 = 2,866.98/x
  3. Step 3: Cross multiply
    4,124.88x = 5,687.31 × 2,866.98
  4. Step 4: Simplify right side
    4,124.88x = 16,305,404.02
  5. Step 5: Solve for x
    x = 16,305,404.02/4,124.88
  6. Step 6: Final answer
    x = 3,952.94

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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.