Home / 7,558.20-11,335.68-3,607.20

Finding the Fourth Proportional to 7,558.20, 11,335.68 and 3,607.20

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Solution

The fourth proportional to 7,558.20, 11,335.68 and 3,607.20 is: 5,410.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,558.20 : 11,335.68 = 3,607.20 : x
  2. Step 2: Convert to fraction form
    7,558.20/11,335.68 = 3,607.20/x
  3. Step 3: Cross multiply
    7,558.20x = 11,335.68 × 3,607.20
  4. Step 4: Simplify right side
    7,558.20x = 40,890,064.90
  5. Step 5: Solve for x
    x = 40,890,064.90/7,558.20
  6. Step 6: Final answer
    x = 5,410.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.