Home / 4,255.23-5,871.37-2,486.49

Finding the Fourth Proportional to 4,255.23, 5,871.37 and 2,486.49

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Solution

The fourth proportional to 4,255.23, 5,871.37 and 2,486.49 is: 3,430.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,255.23 : 5,871.37 = 2,486.49 : x
  2. Step 2: Convert to fraction form
    4,255.23/5,871.37 = 2,486.49/x
  3. Step 3: Cross multiply
    4,255.23x = 5,871.37 × 2,486.49
  4. Step 4: Simplify right side
    4,255.23x = 14,599,090.36
  5. Step 5: Solve for x
    x = 14,599,090.36/4,255.23
  6. Step 6: Final answer
    x = 3,430.86

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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.