Home / 5,624.23-7,761.30-3,106.28

Finding the Fourth Proportional to 5,624.23, 7,761.30 and 3,106.28

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Solution

The fourth proportional to 5,624.23, 7,761.30 and 3,106.28 is: 4,286.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,624.23 : 7,761.30 = 3,106.28 : x
  2. Step 2: Convert to fraction form
    5,624.23/7,761.30 = 3,106.28/x
  3. Step 3: Cross multiply
    5,624.23x = 7,761.30 × 3,106.28
  4. Step 4: Simplify right side
    5,624.23x = 24,108,770.96
  5. Step 5: Solve for x
    x = 24,108,770.96/5,624.23
  6. Step 6: Final answer
    x = 4,286.59

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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.