Home / 4,272.42-5,895.60-2,479.56

Finding the Fourth Proportional to 4,272.42, 5,895.60 and 2,479.56

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Solution

The fourth proportional to 4,272.42, 5,895.60 and 2,479.56 is: 3,421.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.42 : 5,895.60 = 2,479.56 : x
  2. Step 2: Convert to fraction form
    4,272.42/5,895.60 = 2,479.56/x
  3. Step 3: Cross multiply
    4,272.42x = 5,895.60 × 2,479.56
  4. Step 4: Simplify right side
    4,272.42x = 14,618,493.94
  5. Step 5: Solve for x
    x = 14,618,493.94/4,272.42
  6. Step 6: Final answer
    x = 3,421.60

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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.