Home / 5,079.79-7,009.44-2,841.58

Finding the Fourth Proportional to 5,079.79, 7,009.44 and 2,841.58

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Solution

The fourth proportional to 5,079.79, 7,009.44 and 2,841.58 is: 3,921.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079.79 : 7,009.44 = 2,841.58 : x
  2. Step 2: Convert to fraction form
    5,079.79/7,009.44 = 2,841.58/x
  3. Step 3: Cross multiply
    5,079.79x = 7,009.44 × 2,841.58
  4. Step 4: Simplify right side
    5,079.79x = 19,917,884.52
  5. Step 5: Solve for x
    x = 19,917,884.52/5,079.79
  6. Step 6: Final answer
    x = 3,921.01

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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.