Home / 4,255.89-5,872.02-2,486.49

Finding the Fourth Proportional to 4,255.89, 5,872.02 and 2,486.49

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Solution

The fourth proportional to 4,255.89, 5,872.02 and 2,486.49 is: 3,430.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,255.89 : 5,872.02 = 2,486.49 : x
  2. Step 2: Convert to fraction form
    4,255.89/5,872.02 = 2,486.49/x
  3. Step 3: Cross multiply
    4,255.89x = 5,872.02 × 2,486.49
  4. Step 4: Simplify right side
    4,255.89x = 14,600,719.01
  5. Step 5: Solve for x
    x = 14,600,719.01/4,255.89
  6. Step 6: Final answer
    x = 3,430.71

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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.