Home / 5,126.64-7,690.62-2,006.25

Finding the Fourth Proportional to 5,126.64, 7,690.62 and 2,006.25

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Solution

The fourth proportional to 5,126.64, 7,690.62 and 2,006.25 is: 3,009.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,126.64 : 7,690.62 = 2,006.25 : x
  2. Step 2: Convert to fraction form
    5,126.64/7,690.62 = 2,006.25/x
  3. Step 3: Cross multiply
    5,126.64x = 7,690.62 × 2,006.25
  4. Step 4: Simplify right side
    5,126.64x = 15,429,306.38
  5. Step 5: Solve for x
    x = 15,429,306.38/5,126.64
  6. Step 6: Final answer
    x = 3,009.63

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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.