Home / 5,135.56-7,704.23-1,625.52

Finding the Fourth Proportional to 5,135.56, 7,704.23 and 1,625.52

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Solution

The fourth proportional to 5,135.56, 7,704.23 and 1,625.52 is: 2,438.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135.56 : 7,704.23 = 1,625.52 : x
  2. Step 2: Convert to fraction form
    5,135.56/7,704.23 = 1,625.52/x
  3. Step 3: Cross multiply
    5,135.56x = 7,704.23 × 1,625.52
  4. Step 4: Simplify right side
    5,135.56x = 12,523,366.52
  5. Step 5: Solve for x
    x = 12,523,366.52/5,135.56
  6. Step 6: Final answer
    x = 2,438.56

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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.