Home / 4,442.64-6,129.72-2,578.56

Finding the Fourth Proportional to 4,442.64, 6,129.72 and 2,578.56

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Solution

The fourth proportional to 4,442.64, 6,129.72 and 2,578.56 is: 3,557.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,442.64 : 6,129.72 = 2,578.56 : x
  2. Step 2: Convert to fraction form
    4,442.64/6,129.72 = 2,578.56/x
  3. Step 3: Cross multiply
    4,442.64x = 6,129.72 × 2,578.56
  4. Step 4: Simplify right side
    4,442.64x = 15,805,850.80
  5. Step 5: Solve for x
    x = 15,805,850.80/4,442.64
  6. Step 6: Final answer
    x = 3,557.76

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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.