Home / 3,538.11-5,299.05-1,974.67

Finding the Fourth Proportional to 3,538.11, 5,299.05 and 1,974.67

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Solution

The fourth proportional to 3,538.11, 5,299.05 and 1,974.67 is: 2,957.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538.11 : 5,299.05 = 1,974.67 : x
  2. Step 2: Convert to fraction form
    3,538.11/5,299.05 = 1,974.67/x
  3. Step 3: Cross multiply
    3,538.11x = 5,299.05 × 1,974.67
  4. Step 4: Simplify right side
    3,538.11x = 10,463,869.22
  5. Step 5: Solve for x
    x = 10,463,869.22/3,538.11
  6. Step 6: Final answer
    x = 2,957.47

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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.