Home / 5,617.75-7,752.21-3,226.07

Finding the Fourth Proportional to 5,617.75, 7,752.21 and 3,226.07

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Solution

The fourth proportional to 5,617.75, 7,752.21 and 3,226.07 is: 4,451.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,617.75 : 7,752.21 = 3,226.07 : x
  2. Step 2: Convert to fraction form
    5,617.75/7,752.21 = 3,226.07/x
  3. Step 3: Cross multiply
    5,617.75x = 7,752.21 × 3,226.07
  4. Step 4: Simplify right side
    5,617.75x = 25,009,172.11
  5. Step 5: Solve for x
    x = 25,009,172.11/5,617.75
  6. Step 6: Final answer
    x = 4,451.81

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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.