Home / 5,678.22-7,836.21-3,160.35

Finding the Fourth Proportional to 5,678.22, 7,836.21 and 3,160.35

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Solution

The fourth proportional to 5,678.22, 7,836.21 and 3,160.35 is: 4,361.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,678.22 : 7,836.21 = 3,160.35 : x
  2. Step 2: Convert to fraction form
    5,678.22/7,836.21 = 3,160.35/x
  3. Step 3: Cross multiply
    5,678.22x = 7,836.21 × 3,160.35
  4. Step 4: Simplify right side
    5,678.22x = 24,765,166.27
  5. Step 5: Solve for x
    x = 24,765,166.27/5,678.22
  6. Step 6: Final answer
    x = 4,361.43

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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.