Home / 3,655.07-5,042.68-2,082.25

Finding the Fourth Proportional to 3,655.07, 5,042.68 and 2,082.25

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Solution

The fourth proportional to 3,655.07, 5,042.68 and 2,082.25 is: 2,872.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,655.07 : 5,042.68 = 2,082.25 : x
  2. Step 2: Convert to fraction form
    3,655.07/5,042.68 = 2,082.25/x
  3. Step 3: Cross multiply
    3,655.07x = 5,042.68 × 2,082.25
  4. Step 4: Simplify right side
    3,655.07x = 10,500,110.02
  5. Step 5: Solve for x
    x = 10,500,110.02/3,655.07
  6. Step 6: Final answer
    x = 2,872.76

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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.