Home / 5,624.48-7,761.68-3,106.54

Finding the Fourth Proportional to 5,624.48, 7,761.68 and 3,106.54

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Solution

The fourth proportional to 5,624.48, 7,761.68 and 3,106.54 is: 4,286.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,624.48 : 7,761.68 = 3,106.54 : x
  2. Step 2: Convert to fraction form
    5,624.48/7,761.68 = 3,106.54/x
  3. Step 3: Cross multiply
    5,624.48x = 7,761.68 × 3,106.54
  4. Step 4: Simplify right side
    5,624.48x = 24,111,969.39
  5. Step 5: Solve for x
    x = 24,111,969.39/5,624.48
  6. Step 6: Final answer
    x = 4,286.97

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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.