Home / 3,441.39-5,160.78-1,465.78

Finding the Fourth Proportional to 3,441.39, 5,160.78 and 1,465.78

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Solution

The fourth proportional to 3,441.39, 5,160.78 and 1,465.78 is: 2,198.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,441.39 : 5,160.78 = 1,465.78 : x
  2. Step 2: Convert to fraction form
    3,441.39/5,160.78 = 1,465.78/x
  3. Step 3: Cross multiply
    3,441.39x = 5,160.78 × 1,465.78
  4. Step 4: Simplify right side
    3,441.39x = 7,564,534.98
  5. Step 5: Solve for x
    x = 7,564,534.98/3,441.39
  6. Step 6: Final answer
    x = 2,198.10

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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.