Home / 5,079.60-7,010.16-2,841.74

Finding the Fourth Proportional to 5,079.60, 7,010.16 and 2,841.74

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Solution

The fourth proportional to 5,079.60, 7,010.16 and 2,841.74 is: 3,921.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079.60 : 7,010.16 = 2,841.74 : x
  2. Step 2: Convert to fraction form
    5,079.60/7,010.16 = 2,841.74/x
  3. Step 3: Cross multiply
    5,079.60x = 7,010.16 × 2,841.74
  4. Step 4: Simplify right side
    5,079.60x = 19,921,052.08
  5. Step 5: Solve for x
    x = 19,921,052.08/5,079.60
  6. Step 6: Final answer
    x = 3,921.78

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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.