Home / 4,087.86-5,641.19-2,409.34

Finding the Fourth Proportional to 4,087.86, 5,641.19 and 2,409.34

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Solution

The fourth proportional to 4,087.86, 5,641.19 and 2,409.34 is: 3,324.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.86 : 5,641.19 = 2,409.34 : x
  2. Step 2: Convert to fraction form
    4,087.86/5,641.19 = 2,409.34/x
  3. Step 3: Cross multiply
    4,087.86x = 5,641.19 × 2,409.34
  4. Step 4: Simplify right side
    4,087.86x = 13,591,536.63
  5. Step 5: Solve for x
    x = 13,591,536.63/4,087.86
  6. Step 6: Final answer
    x = 3,324.85

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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.