Home / 3,292.57-4,917.83-2,979.74

Finding the Fourth Proportional to 3,292.57, 4,917.83 and 2,979.74

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Solution

The fourth proportional to 3,292.57, 4,917.83 and 2,979.74 is: 4,450.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,292.57 : 4,917.83 = 2,979.74 : x
  2. Step 2: Convert to fraction form
    3,292.57/4,917.83 = 2,979.74/x
  3. Step 3: Cross multiply
    3,292.57x = 4,917.83 × 2,979.74
  4. Step 4: Simplify right side
    3,292.57x = 14,653,854.76
  5. Step 5: Solve for x
    x = 14,653,854.76/3,292.57
  6. Step 6: Final answer
    x = 4,450.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.