Home / 5,232.45-7,221.13-2,874.61

Finding the Fourth Proportional to 5,232.45, 7,221.13 and 2,874.61

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Solution

The fourth proportional to 5,232.45, 7,221.13 and 2,874.61 is: 3,967.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,232.45 : 7,221.13 = 2,874.61 : x
  2. Step 2: Convert to fraction form
    5,232.45/7,221.13 = 2,874.61/x
  3. Step 3: Cross multiply
    5,232.45x = 7,221.13 × 2,874.61
  4. Step 4: Simplify right side
    5,232.45x = 20,757,932.51
  5. Step 5: Solve for x
    x = 20,757,932.51/5,232.45
  6. Step 6: Final answer
    x = 3,967.15

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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.