Home / 5,048.79-7,571.12-2,199.42

Finding the Fourth Proportional to 5,048.79, 7,571.12 and 2,199.42

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Solution

The fourth proportional to 5,048.79, 7,571.12 and 2,199.42 is: 3,298.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,048.79 : 7,571.12 = 2,199.42 : x
  2. Step 2: Convert to fraction form
    5,048.79/7,571.12 = 2,199.42/x
  3. Step 3: Cross multiply
    5,048.79x = 7,571.12 × 2,199.42
  4. Step 4: Simplify right side
    5,048.79x = 16,652,078.25
  5. Step 5: Solve for x
    x = 16,652,078.25/5,048.79
  6. Step 6: Final answer
    x = 3,298.23

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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.