Home / 4,255.14-5,872.32-2,486.64

Finding the Fourth Proportional to 4,255.14, 5,872.32 and 2,486.64

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Solution

The fourth proportional to 4,255.14, 5,872.32 and 2,486.64 is: 3,431.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,255.14 : 5,872.32 = 2,486.64 : x
  2. Step 2: Convert to fraction form
    4,255.14/5,872.32 = 2,486.64/x
  3. Step 3: Cross multiply
    4,255.14x = 5,872.32 × 2,486.64
  4. Step 4: Simplify right side
    4,255.14x = 14,602,345.80
  5. Step 5: Solve for x
    x = 14,602,345.80/4,255.14
  6. Step 6: Final answer
    x = 3,431.70

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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.