Home / 5,132.58-7,083.33-3,871.41

Finding the Fourth Proportional to 5,132.58, 7,083.33 and 3,871.41

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Solution

The fourth proportional to 5,132.58, 7,083.33 and 3,871.41 is: 5,342.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,132.58 : 7,083.33 = 3,871.41 : x
  2. Step 2: Convert to fraction form
    5,132.58/7,083.33 = 3,871.41/x
  3. Step 3: Cross multiply
    5,132.58x = 7,083.33 × 3,871.41
  4. Step 4: Simplify right side
    5,132.58x = 27,422,474.60
  5. Step 5: Solve for x
    x = 27,422,474.60/5,132.58
  6. Step 6: Final answer
    x = 5,342.82

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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.