Home / 4,972.33-7,458.10-2,891

Finding the Fourth Proportional to 4,972.33, 7,458.10 and 2,891

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Solution

The fourth proportional to 4,972.33, 7,458.10 and 2,891 is: 4,336.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,972.33 : 7,458.10 = 2,891 : x
  2. Step 2: Convert to fraction form
    4,972.33/7,458.10 = 2,891/x
  3. Step 3: Cross multiply
    4,972.33x = 7,458.10 × 2,891
  4. Step 4: Simplify right side
    4,972.33x = 21,561,352.65
  5. Step 5: Solve for x
    x = 21,561,352.65/4,972.33
  6. Step 6: Final answer
    x = 4,336.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.