Home / 7,390.34-10,198.70-4,033.23

Finding the Fourth Proportional to 7,390.34, 10,198.70 and 4,033.23

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Solution

The fourth proportional to 7,390.34, 10,198.70 and 4,033.23 is: 5,565.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390.34 : 10,198.70 = 4,033.23 : x
  2. Step 2: Convert to fraction form
    7,390.34/10,198.70 = 4,033.23/x
  3. Step 3: Cross multiply
    7,390.34x = 10,198.70 × 4,033.23
  4. Step 4: Simplify right side
    7,390.34x = 41,133,709.63
  5. Step 5: Solve for x
    x = 41,133,709.63/7,390.34
  6. Step 6: Final answer
    x = 5,565.87

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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.