Home / 8,403.45-12,604.66-3,722.10

Finding the Fourth Proportional to 8,403.45, 12,604.66 and 3,722.10

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Solution

The fourth proportional to 8,403.45, 12,604.66 and 3,722.10 is: 5,582.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,403.45 : 12,604.66 = 3,722.10 : x
  2. Step 2: Convert to fraction form
    8,403.45/12,604.66 = 3,722.10/x
  3. Step 3: Cross multiply
    8,403.45x = 12,604.66 × 3,722.10
  4. Step 4: Simplify right side
    8,403.45x = 46,915,804.99
  5. Step 5: Solve for x
    x = 46,915,804.99/8,403.45
  6. Step 6: Final answer
    x = 5,582.92

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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.