Home / 5,172.37-7,119.84-4,508.07

Finding the Fourth Proportional to 5,172.37, 7,119.84 and 4,508.07

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Solution

The fourth proportional to 5,172.37, 7,119.84 and 4,508.07 is: 6,205.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,172.37 : 7,119.84 = 4,508.07 : x
  2. Step 2: Convert to fraction form
    5,172.37/7,119.84 = 4,508.07/x
  3. Step 3: Cross multiply
    5,172.37x = 7,119.84 × 4,508.07
  4. Step 4: Simplify right side
    5,172.37x = 32,096,678.97
  5. Step 5: Solve for x
    x = 32,096,678.97/5,172.37
  6. Step 6: Final answer
    x = 6,205.42

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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.