Home / 3,588.51-4,951.92-2,172.99

Finding the Fourth Proportional to 3,588.51, 4,951.92 and 2,172.99

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Solution

The fourth proportional to 3,588.51, 4,951.92 and 2,172.99 is: 2,998.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,588.51 : 4,951.92 = 2,172.99 : x
  2. Step 2: Convert to fraction form
    3,588.51/4,951.92 = 2,172.99/x
  3. Step 3: Cross multiply
    3,588.51x = 4,951.92 × 2,172.99
  4. Step 4: Simplify right side
    3,588.51x = 10,760,472.64
  5. Step 5: Solve for x
    x = 10,760,472.64/3,588.51
  6. Step 6: Final answer
    x = 2,998.59

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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.