Home / 5,516.63-7,607.70-3,629.81

Finding the Fourth Proportional to 5,516.63, 7,607.70 and 3,629.81

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Solution

The fourth proportional to 5,516.63, 7,607.70 and 3,629.81 is: 5,005.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.63 : 7,607.70 = 3,629.81 : x
  2. Step 2: Convert to fraction form
    5,516.63/7,607.70 = 3,629.81/x
  3. Step 3: Cross multiply
    5,516.63x = 7,607.70 × 3,629.81
  4. Step 4: Simplify right side
    5,516.63x = 27,614,524.56
  5. Step 5: Solve for x
    x = 27,614,524.56/5,516.63
  6. Step 6: Final answer
    x = 5,005.69

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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.