Home / 3,669.17-5,063.51-2,178.23

Finding the Fourth Proportional to 3,669.17, 5,063.51 and 2,178.23

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Solution

The fourth proportional to 3,669.17, 5,063.51 and 2,178.23 is: 3,005.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669.17 : 5,063.51 = 2,178.23 : x
  2. Step 2: Convert to fraction form
    3,669.17/5,063.51 = 2,178.23/x
  3. Step 3: Cross multiply
    3,669.17x = 5,063.51 × 2,178.23
  4. Step 4: Simplify right side
    3,669.17x = 11,029,469.52
  5. Step 5: Solve for x
    x = 11,029,469.52/3,669.17
  6. Step 6: Final answer
    x = 3,005.99

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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.