Home / 5,168.96-7,748.88-2,051.16

Finding the Fourth Proportional to 5,168.96, 7,748.88 and 2,051.16

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Solution

The fourth proportional to 5,168.96, 7,748.88 and 2,051.16 is: 3,074.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168.96 : 7,748.88 = 2,051.16 : x
  2. Step 2: Convert to fraction form
    5,168.96/7,748.88 = 2,051.16/x
  3. Step 3: Cross multiply
    5,168.96x = 7,748.88 × 2,051.16
  4. Step 4: Simplify right side
    5,168.96x = 15,894,153.96
  5. Step 5: Solve for x
    x = 15,894,153.96/5,168.96
  6. Step 6: Final answer
    x = 3,074.92

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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.