Home / 7,323.07-10,103.31-4,135.97

Finding the Fourth Proportional to 7,323.07, 10,103.31 and 4,135.97

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Solution

The fourth proportional to 7,323.07, 10,103.31 and 4,135.97 is: 5,706.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,323.07 : 10,103.31 = 4,135.97 : x
  2. Step 2: Convert to fraction form
    7,323.07/10,103.31 = 4,135.97/x
  3. Step 3: Cross multiply
    7,323.07x = 10,103.31 × 4,135.97
  4. Step 4: Simplify right side
    7,323.07x = 41,786,987.06
  5. Step 5: Solve for x
    x = 41,786,987.06/7,323.07
  6. Step 6: Final answer
    x = 5,706.21

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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.