Home / 5,045.91-7,564.43-1,965.75

Finding the Fourth Proportional to 5,045.91, 7,564.43 and 1,965.75

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Solution

The fourth proportional to 5,045.91, 7,564.43 and 1,965.75 is: 2,946.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,045.91 : 7,564.43 = 1,965.75 : x
  2. Step 2: Convert to fraction form
    5,045.91/7,564.43 = 1,965.75/x
  3. Step 3: Cross multiply
    5,045.91x = 7,564.43 × 1,965.75
  4. Step 4: Simplify right side
    5,045.91x = 14,869,768.44
  5. Step 5: Solve for x
    x = 14,869,768.44/5,045.91
  6. Step 6: Final answer
    x = 2,946.90

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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.