Home / 5,154.82-7,113.74-2,796.96

Finding the Fourth Proportional to 5,154.82, 7,113.74 and 2,796.96

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Solution

The fourth proportional to 5,154.82, 7,113.74 and 2,796.96 is: 3,859.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154.82 : 7,113.74 = 2,796.96 : x
  2. Step 2: Convert to fraction form
    5,154.82/7,113.74 = 2,796.96/x
  3. Step 3: Cross multiply
    5,154.82x = 7,113.74 × 2,796.96
  4. Step 4: Simplify right side
    5,154.82x = 19,896,855.27
  5. Step 5: Solve for x
    x = 19,896,855.27/5,154.82
  6. Step 6: Final answer
    x = 3,859.85

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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.