Home / 5,079.35-7,009.64-2,841.18

Finding the Fourth Proportional to 5,079.35, 7,009.64 and 2,841.18

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Solution

The fourth proportional to 5,079.35, 7,009.64 and 2,841.18 is: 3,920.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079.35 : 7,009.64 = 2,841.18 : x
  2. Step 2: Convert to fraction form
    5,079.35/7,009.64 = 2,841.18/x
  3. Step 3: Cross multiply
    5,079.35x = 7,009.64 × 2,841.18
  4. Step 4: Simplify right side
    5,079.35x = 19,915,634.77
  5. Step 5: Solve for x
    x = 19,915,634.77/5,079.35
  6. Step 6: Final answer
    x = 3,920.91

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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.