Home / 7,403.15-11,105.30-2,472.80

Finding the Fourth Proportional to 7,403.15, 11,105.30 and 2,472.80

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Solution

The fourth proportional to 7,403.15, 11,105.30 and 2,472.80 is: 3,709.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,403.15 : 11,105.30 = 2,472.80 : x
  2. Step 2: Convert to fraction form
    7,403.15/11,105.30 = 2,472.80/x
  3. Step 3: Cross multiply
    7,403.15x = 11,105.30 × 2,472.80
  4. Step 4: Simplify right side
    7,403.15x = 27,461,230.20
  5. Step 5: Solve for x
    x = 27,461,230.20/7,403.15
  6. Step 6: Final answer
    x = 3,709.40

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