Home / 5,082.63-7,625.47-2,161.16

Finding the Fourth Proportional to 5,082.63, 7,625.47 and 2,161.16

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Solution

The fourth proportional to 5,082.63, 7,625.47 and 2,161.16 is: 3,242.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,082.63 : 7,625.47 = 2,161.16 : x
  2. Step 2: Convert to fraction form
    5,082.63/7,625.47 = 2,161.16/x
  3. Step 3: Cross multiply
    5,082.63x = 7,625.47 × 2,161.16
  4. Step 4: Simplify right side
    5,082.63x = 16,479,860.75
  5. Step 5: Solve for x
    x = 16,479,860.75/5,082.63
  6. Step 6: Final answer
    x = 3,242.39

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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.