Home / 5,079.42-7,022.43-3,751.02

Finding the Fourth Proportional to 5,079.42, 7,022.43 and 3,751.02

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Solution

The fourth proportional to 5,079.42, 7,022.43 and 3,751.02 is: 5,185.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079.42 : 7,022.43 = 3,751.02 : x
  2. Step 2: Convert to fraction form
    5,079.42/7,022.43 = 3,751.02/x
  3. Step 3: Cross multiply
    5,079.42x = 7,022.43 × 3,751.02
  4. Step 4: Simplify right side
    5,079.42x = 26,341,275.38
  5. Step 5: Solve for x
    x = 26,341,275.38/5,079.42
  6. Step 6: Final answer
    x = 5,185.88

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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.