Home / 7,282.97-10,042.55-4,921.01

Finding the Fourth Proportional to 7,282.97, 10,042.55 and 4,921.01

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Solution

The fourth proportional to 7,282.97, 10,042.55 and 4,921.01 is: 6,785.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,282.97 : 10,042.55 = 4,921.01 : x
  2. Step 2: Convert to fraction form
    7,282.97/10,042.55 = 4,921.01/x
  3. Step 3: Cross multiply
    7,282.97x = 10,042.55 × 4,921.01
  4. Step 4: Simplify right side
    7,282.97x = 49,419,488.98
  5. Step 5: Solve for x
    x = 49,419,488.98/7,282.97
  6. Step 6: Final answer
    x = 6,785.62

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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.