Home / 5,739.46-7,920.43-3,351.07

Finding the Fourth Proportional to 5,739.46, 7,920.43 and 3,351.07

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Solution

The fourth proportional to 5,739.46, 7,920.43 and 3,351.07 is: 4,624.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,739.46 : 7,920.43 = 3,351.07 : x
  2. Step 2: Convert to fraction form
    5,739.46/7,920.43 = 3,351.07/x
  3. Step 3: Cross multiply
    5,739.46x = 7,920.43 × 3,351.07
  4. Step 4: Simplify right side
    5,739.46x = 26,541,916.88
  5. Step 5: Solve for x
    x = 26,541,916.88/5,739.46
  6. Step 6: Final answer
    x = 4,624.46

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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.