Home / 2,512.99-3,767.95-1,126.07

Finding the Fourth Proportional to 2,512.99, 3,767.95 and 1,126.07

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Solution

The fourth proportional to 2,512.99, 3,767.95 and 1,126.07 is: 1,688.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,512.99 : 3,767.95 = 1,126.07 : x
  2. Step 2: Convert to fraction form
    2,512.99/3,767.95 = 1,126.07/x
  3. Step 3: Cross multiply
    2,512.99x = 3,767.95 × 1,126.07
  4. Step 4: Simplify right side
    2,512.99x = 4,242,972.15
  5. Step 5: Solve for x
    x = 4,242,972.15/2,512.99
  6. Step 6: Final answer
    x = 1,688.42

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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.