Home / 5,516.09-7,610.18-3,628.68

Finding the Fourth Proportional to 5,516.09, 7,610.18 and 3,628.68

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Solution

The fourth proportional to 5,516.09, 7,610.18 and 3,628.68 is: 5,006.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.09 : 7,610.18 = 3,628.68 : x
  2. Step 2: Convert to fraction form
    5,516.09/7,610.18 = 3,628.68/x
  3. Step 3: Cross multiply
    5,516.09x = 7,610.18 × 3,628.68
  4. Step 4: Simplify right side
    5,516.09x = 27,614,907.96
  5. Step 5: Solve for x
    x = 27,614,907.96/5,516.09
  6. Step 6: Final answer
    x = 5,006.25

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1.5x scale

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.