Home / 5,518.50-7,615.53-3,034.50

Finding the Fourth Proportional to 5,518.50, 7,615.53 and 3,034.50

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Solution

The fourth proportional to 5,518.50, 7,615.53 and 3,034.50 is: 4,187.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518.50 : 7,615.53 = 3,034.50 : x
  2. Step 2: Convert to fraction form
    5,518.50/7,615.53 = 3,034.50/x
  3. Step 3: Cross multiply
    5,518.50x = 7,615.53 × 3,034.50
  4. Step 4: Simplify right side
    5,518.50x = 23,109,325.79
  5. Step 5: Solve for x
    x = 23,109,325.79/5,518.50
  6. Step 6: Final answer
    x = 4,187.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.