Home / 4,224.84-5,826.78-3,180.12

Finding the Fourth Proportional to 4,224.84, 5,826.78 and 3,180.12

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Solution

The fourth proportional to 4,224.84, 5,826.78 and 3,180.12 is: 4,385.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,224.84 : 5,826.78 = 3,180.12 : x
  2. Step 2: Convert to fraction form
    4,224.84/5,826.78 = 3,180.12/x
  3. Step 3: Cross multiply
    4,224.84x = 5,826.78 × 3,180.12
  4. Step 4: Simplify right side
    4,224.84x = 18,529,859.61
  5. Step 5: Solve for x
    x = 18,529,859.61/4,224.84
  6. Step 6: Final answer
    x = 4,385.93

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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.