Home / 5,688.22-7,849.11-3,450.64

Finding the Fourth Proportional to 5,688.22, 7,849.11 and 3,450.64

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Solution

The fourth proportional to 5,688.22, 7,849.11 and 3,450.64 is: 4,761.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,688.22 : 7,849.11 = 3,450.64 : x
  2. Step 2: Convert to fraction form
    5,688.22/7,849.11 = 3,450.64/x
  3. Step 3: Cross multiply
    5,688.22x = 7,849.11 × 3,450.64
  4. Step 4: Simplify right side
    5,688.22x = 27,084,452.93
  5. Step 5: Solve for x
    x = 27,084,452.93/5,688.22
  6. Step 6: Final answer
    x = 4,761.50

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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.