Home / 5,134.82-7,087.84-3,011.06

Finding the Fourth Proportional to 5,134.82, 7,087.84 and 3,011.06

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Solution

The fourth proportional to 5,134.82, 7,087.84 and 3,011.06 is: 4,156.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134.82 : 7,087.84 = 3,011.06 : x
  2. Step 2: Convert to fraction form
    5,134.82/7,087.84 = 3,011.06/x
  3. Step 3: Cross multiply
    5,134.82x = 7,087.84 × 3,011.06
  4. Step 4: Simplify right side
    5,134.82x = 21,341,921.70
  5. Step 5: Solve for x
    x = 21,341,921.70/5,134.82
  6. Step 6: Final answer
    x = 4,156.32

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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.