Home / 5,079.31-7,605.63-3,906.53

Finding the Fourth Proportional to 5,079.31, 7,605.63 and 3,906.53

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Solution

The fourth proportional to 5,079.31, 7,605.63 and 3,906.53 is: 5,849.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079.31 : 7,605.63 = 3,906.53 : x
  2. Step 2: Convert to fraction form
    5,079.31/7,605.63 = 3,906.53/x
  3. Step 3: Cross multiply
    5,079.31x = 7,605.63 × 3,906.53
  4. Step 4: Simplify right side
    5,079.31x = 29,711,628.74
  5. Step 5: Solve for x
    x = 29,711,628.74/5,079.31
  6. Step 6: Final answer
    x = 5,849.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.