Home / 4,673.89-6,449.79-2,578.02

Finding the Fourth Proportional to 4,673.89, 6,449.79 and 2,578.02

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Solution

The fourth proportional to 4,673.89, 6,449.79 and 2,578.02 is: 3,557.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,673.89 : 6,449.79 = 2,578.02 : x
  2. Step 2: Convert to fraction form
    4,673.89/6,449.79 = 2,578.02/x
  3. Step 3: Cross multiply
    4,673.89x = 6,449.79 × 2,578.02
  4. Step 4: Simplify right side
    4,673.89x = 16,627,687.62
  5. Step 5: Solve for x
    x = 16,627,687.62/4,673.89
  6. Step 6: Final answer
    x = 3,557.57

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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.