Home / 5,045.12-7,566.60-2,122.64

Finding the Fourth Proportional to 5,045.12, 7,566.60 and 2,122.64

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Solution

The fourth proportional to 5,045.12, 7,566.60 and 2,122.64 is: 3,183.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,045.12 : 7,566.60 = 2,122.64 : x
  2. Step 2: Convert to fraction form
    5,045.12/7,566.60 = 2,122.64/x
  3. Step 3: Cross multiply
    5,045.12x = 7,566.60 × 2,122.64
  4. Step 4: Simplify right side
    5,045.12x = 16,061,167.82
  5. Step 5: Solve for x
    x = 16,061,167.82/5,045.12
  6. Step 6: Final answer
    x = 3,183.51

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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.