Home / 3,516.84-5,247.78-3,206.34

Finding the Fourth Proportional to 3,516.84, 5,247.78 and 3,206.34

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Solution

The fourth proportional to 3,516.84, 5,247.78 and 3,206.34 is: 4,784.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,516.84 : 5,247.78 = 3,206.34 : x
  2. Step 2: Convert to fraction form
    3,516.84/5,247.78 = 3,206.34/x
  3. Step 3: Cross multiply
    3,516.84x = 5,247.78 × 3,206.34
  4. Step 4: Simplify right side
    3,516.84x = 16,826,166.93
  5. Step 5: Solve for x
    x = 16,826,166.93/3,516.84
  6. Step 6: Final answer
    x = 4,784.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.