Home / 5,477.55-8,205.53-3,166.35

Finding the Fourth Proportional to 5,477.55, 8,205.53 and 3,166.35

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Solution

The fourth proportional to 5,477.55, 8,205.53 and 3,166.35 is: 4,743.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,477.55 : 8,205.53 = 3,166.35 : x
  2. Step 2: Convert to fraction form
    5,477.55/8,205.53 = 3,166.35/x
  3. Step 3: Cross multiply
    5,477.55x = 8,205.53 × 3,166.35
  4. Step 4: Simplify right side
    5,477.55x = 25,981,564.08
  5. Step 5: Solve for x
    x = 25,981,564.08/5,477.55
  6. Step 6: Final answer
    x = 4,743.28

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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.