Home / 7,585.44-11,381.19-2,658.61

Finding the Fourth Proportional to 7,585.44, 11,381.19 and 2,658.61

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Solution

The fourth proportional to 7,585.44, 11,381.19 and 2,658.61 is: 3,988.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,585.44 : 11,381.19 = 2,658.61 : x
  2. Step 2: Convert to fraction form
    7,585.44/11,381.19 = 2,658.61/x
  3. Step 3: Cross multiply
    7,585.44x = 11,381.19 × 2,658.61
  4. Step 4: Simplify right side
    7,585.44x = 30,258,145.55
  5. Step 5: Solve for x
    x = 30,258,145.55/7,585.44
  6. Step 6: Final answer
    x = 3,988.98

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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.