Home / 5,079.74-7,010.16-2,841.56

Finding the Fourth Proportional to 5,079.74, 7,010.16 and 2,841.56

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Solution

The fourth proportional to 5,079.74, 7,010.16 and 2,841.56 is: 3,921.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079.74 : 7,010.16 = 2,841.56 : x
  2. Step 2: Convert to fraction form
    5,079.74/7,010.16 = 2,841.56/x
  3. Step 3: Cross multiply
    5,079.74x = 7,010.16 × 2,841.56
  4. Step 4: Simplify right side
    5,079.74x = 19,919,790.25
  5. Step 5: Solve for x
    x = 19,919,790.25/5,079.74
  6. Step 6: Final answer
    x = 3,921.42

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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.