Home / 4,272.15-5,895.27-2,479.68

Finding the Fourth Proportional to 4,272.15, 5,895.27 and 2,479.68

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Solution

The fourth proportional to 4,272.15, 5,895.27 and 2,479.68 is: 3,421.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.15 : 5,895.27 = 2,479.68 : x
  2. Step 2: Convert to fraction form
    4,272.15/5,895.27 = 2,479.68/x
  3. Step 3: Cross multiply
    4,272.15x = 5,895.27 × 2,479.68
  4. Step 4: Simplify right side
    4,272.15x = 14,618,383.11
  5. Step 5: Solve for x
    x = 14,618,383.11/4,272.15
  6. Step 6: Final answer
    x = 3,421.79

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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.