Home / 3,951.16-5,440.52-3,450.87

Finding the Fourth Proportional to 3,951.16, 5,440.52 and 3,450.87

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Solution

The fourth proportional to 3,951.16, 5,440.52 and 3,450.87 is: 4,751.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,951.16 : 5,440.52 = 3,450.87 : x
  2. Step 2: Convert to fraction form
    3,951.16/5,440.52 = 3,450.87/x
  3. Step 3: Cross multiply
    3,951.16x = 5,440.52 × 3,450.87
  4. Step 4: Simplify right side
    3,951.16x = 18,774,535.88
  5. Step 5: Solve for x
    x = 18,774,535.88/3,951.16
  6. Step 6: Final answer
    x = 4,751.65

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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.