Home / 5,079.44-7,009.80-2,841.32

Finding the Fourth Proportional to 5,079.44, 7,009.80 and 2,841.32

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Solution

The fourth proportional to 5,079.44, 7,009.80 and 2,841.32 is: 3,921.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079.44 : 7,009.80 = 2,841.32 : x
  2. Step 2: Convert to fraction form
    5,079.44/7,009.80 = 2,841.32/x
  3. Step 3: Cross multiply
    5,079.44x = 7,009.80 × 2,841.32
  4. Step 4: Simplify right side
    5,079.44x = 19,917,084.94
  5. Step 5: Solve for x
    x = 19,917,084.94/5,079.44
  6. Step 6: Final answer
    x = 3,921.12

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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.