Home / 7,641.51-11,463.27-3,481.35

Finding the Fourth Proportional to 7,641.51, 11,463.27 and 3,481.35

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Solution

The fourth proportional to 7,641.51, 11,463.27 and 3,481.35 is: 5,222.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,641.51 : 11,463.27 = 3,481.35 : x
  2. Step 2: Convert to fraction form
    7,641.51/11,463.27 = 3,481.35/x
  3. Step 3: Cross multiply
    7,641.51x = 11,463.27 × 3,481.35
  4. Step 4: Simplify right side
    7,641.51x = 39,907,655.01
  5. Step 5: Solve for x
    x = 39,907,655.01/7,641.51
  6. Step 6: Final answer
    x = 5,222.48

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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.