Home / 2,960.87-4,440.03-1,110.70

Finding the Fourth Proportional to 2,960.87, 4,440.03 and 1,110.70

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Solution

The fourth proportional to 2,960.87, 4,440.03 and 1,110.70 is: 1,665.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,960.87 : 4,440.03 = 1,110.70 : x
  2. Step 2: Convert to fraction form
    2,960.87/4,440.03 = 1,110.70/x
  3. Step 3: Cross multiply
    2,960.87x = 4,440.03 × 1,110.70
  4. Step 4: Simplify right side
    2,960.87x = 4,931,530.22
  5. Step 5: Solve for x
    x = 4,931,530.22/2,960.87
  6. Step 6: Final answer
    x = 1,665.57

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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.