Home / 5,171.72-7,752.11-2,400.26

Finding the Fourth Proportional to 5,171.72, 7,752.11 and 2,400.26

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Solution

The fourth proportional to 5,171.72, 7,752.11 and 2,400.26 is: 3,597.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,171.72 : 7,752.11 = 2,400.26 : x
  2. Step 2: Convert to fraction form
    5,171.72/7,752.11 = 2,400.26/x
  3. Step 3: Cross multiply
    5,171.72x = 7,752.11 × 2,400.26
  4. Step 4: Simplify right side
    5,171.72x = 18,607,028.79
  5. Step 5: Solve for x
    x = 18,607,028.79/5,171.72
  6. Step 6: Final answer
    x = 3,597.84

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1.5x scale

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.