Home / 7,155.86-10,731.14-2,474.66

Finding the Fourth Proportional to 7,155.86, 10,731.14 and 2,474.66

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Solution

The fourth proportional to 7,155.86, 10,731.14 and 2,474.66 is: 3,711.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,155.86 : 10,731.14 = 2,474.66 : x
  2. Step 2: Convert to fraction form
    7,155.86/10,731.14 = 2,474.66/x
  3. Step 3: Cross multiply
    7,155.86x = 10,731.14 × 2,474.66
  4. Step 4: Simplify right side
    7,155.86x = 26,555,922.91
  5. Step 5: Solve for x
    x = 26,555,922.91/7,155.86
  6. Step 6: Final answer
    x = 3,711.07

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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.