Home / 5,099.14-7,036.70-2,860.98

Finding the Fourth Proportional to 5,099.14, 7,036.70 and 2,860.98

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Solution

The fourth proportional to 5,099.14, 7,036.70 and 2,860.98 is: 3,948.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,099.14 : 7,036.70 = 2,860.98 : x
  2. Step 2: Convert to fraction form
    5,099.14/7,036.70 = 2,860.98/x
  3. Step 3: Cross multiply
    5,099.14x = 7,036.70 × 2,860.98
  4. Step 4: Simplify right side
    5,099.14x = 20,131,857.97
  5. Step 5: Solve for x
    x = 20,131,857.97/5,099.14
  6. Step 6: Final answer
    x = 3,948.09

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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.