Home / 5,199.12-7,798.68-2,276.82

Finding the Fourth Proportional to 5,199.12, 7,798.68 and 2,276.82

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Solution

The fourth proportional to 5,199.12, 7,798.68 and 2,276.82 is: 3,415.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199.12 : 7,798.68 = 2,276.82 : x
  2. Step 2: Convert to fraction form
    5,199.12/7,798.68 = 2,276.82/x
  3. Step 3: Cross multiply
    5,199.12x = 7,798.68 × 2,276.82
  4. Step 4: Simplify right side
    5,199.12x = 17,756,190.60
  5. Step 5: Solve for x
    x = 17,756,190.60/5,199.12
  6. Step 6: Final answer
    x = 3,415.23

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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.