Home / 5,126.11-7,074.04-2,768.25

Finding the Fourth Proportional to 5,126.11, 7,074.04 and 2,768.25

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Solution

The fourth proportional to 5,126.11, 7,074.04 and 2,768.25 is: 3,820.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,126.11 : 7,074.04 = 2,768.25 : x
  2. Step 2: Convert to fraction form
    5,126.11/7,074.04 = 2,768.25/x
  3. Step 3: Cross multiply
    5,126.11x = 7,074.04 × 2,768.25
  4. Step 4: Simplify right side
    5,126.11x = 19,582,717.72
  5. Step 5: Solve for x
    x = 19,582,717.72/5,126.11
  6. Step 6: Final answer
    x = 3,820.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.