Home / 2,960.14-4,437.84-1,478.38

Finding the Fourth Proportional to 2,960.14, 4,437.84 and 1,478.38

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Solution

The fourth proportional to 2,960.14, 4,437.84 and 1,478.38 is: 2,216.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,960.14 : 4,437.84 = 1,478.38 : x
  2. Step 2: Convert to fraction form
    2,960.14/4,437.84 = 1,478.38/x
  3. Step 3: Cross multiply
    2,960.14x = 4,437.84 × 1,478.38
  4. Step 4: Simplify right side
    2,960.14x = 6,560,813.90
  5. Step 5: Solve for x
    x = 6,560,813.90/2,960.14
  6. Step 6: Final answer
    x = 2,216.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.