Home / 5,623.82-7,760.80-3,106.03

Finding the Fourth Proportional to 5,623.82, 7,760.80 and 3,106.03

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Solution

The fourth proportional to 5,623.82, 7,760.80 and 3,106.03 is: 4,286.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,623.82 : 7,760.80 = 3,106.03 : x
  2. Step 2: Convert to fraction form
    5,623.82/7,760.80 = 3,106.03/x
  3. Step 3: Cross multiply
    5,623.82x = 7,760.80 × 3,106.03
  4. Step 4: Simplify right side
    5,623.82x = 24,105,250.46
  5. Step 5: Solve for x
    x = 24,105,250.46/5,623.82
  6. Step 6: Final answer
    x = 4,286.28

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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.