Home / 5,336.97-7,364.33-2,979.21

Finding the Fourth Proportional to 5,336.97, 7,364.33 and 2,979.21

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Solution

The fourth proportional to 5,336.97, 7,364.33 and 2,979.21 is: 4,110.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,336.97 : 7,364.33 = 2,979.21 : x
  2. Step 2: Convert to fraction form
    5,336.97/7,364.33 = 2,979.21/x
  3. Step 3: Cross multiply
    5,336.97x = 7,364.33 × 2,979.21
  4. Step 4: Simplify right side
    5,336.97x = 21,939,885.58
  5. Step 5: Solve for x
    x = 21,939,885.58/5,336.97
  6. Step 6: Final answer
    x = 4,110.93

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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.