Home / 5,229.58-7,216.74-2,871.70

Finding the Fourth Proportional to 5,229.58, 7,216.74 and 2,871.70

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Solution

The fourth proportional to 5,229.58, 7,216.74 and 2,871.70 is: 3,962.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,229.58 : 7,216.74 = 2,871.70 : x
  2. Step 2: Convert to fraction form
    5,229.58/7,216.74 = 2,871.70/x
  3. Step 3: Cross multiply
    5,229.58x = 7,216.74 × 2,871.70
  4. Step 4: Simplify right side
    5,229.58x = 20,724,312.26
  5. Step 5: Solve for x
    x = 20,724,312.26/5,229.58
  6. Step 6: Final answer
    x = 3,962.90

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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.