Home / 7,585.86-11,379.87-2,390.52

Finding the Fourth Proportional to 7,585.86, 11,379.87 and 2,390.52

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Solution

The fourth proportional to 7,585.86, 11,379.87 and 2,390.52 is: 3,586.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,585.86 : 11,379.87 = 2,390.52 : x
  2. Step 2: Convert to fraction form
    7,585.86/11,379.87 = 2,390.52/x
  3. Step 3: Cross multiply
    7,585.86x = 11,379.87 × 2,390.52
  4. Step 4: Simplify right side
    7,585.86x = 27,203,806.83
  5. Step 5: Solve for x
    x = 27,203,806.83/7,585.86
  6. Step 6: Final answer
    x = 3,586.12

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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.