Home / 5,699.81-8,553.51-2,192.72

Finding the Fourth Proportional to 5,699.81, 8,553.51 and 2,192.72

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Solution

The fourth proportional to 5,699.81, 8,553.51 and 2,192.72 is: 3,290.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,699.81 : 8,553.51 = 2,192.72 : x
  2. Step 2: Convert to fraction form
    5,699.81/8,553.51 = 2,192.72/x
  3. Step 3: Cross multiply
    5,699.81x = 8,553.51 × 2,192.72
  4. Step 4: Simplify right side
    5,699.81x = 18,755,409.68
  5. Step 5: Solve for x
    x = 18,755,409.68/5,699.81
  6. Step 6: Final answer
    x = 3,290.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.