Home / 7,066.37-9,751.70-3,879.96

Finding the Fourth Proportional to 7,066.37, 9,751.70 and 3,879.96

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Solution

The fourth proportional to 7,066.37, 9,751.70 and 3,879.96 is: 5,354.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,066.37 : 9,751.70 = 3,879.96 : x
  2. Step 2: Convert to fraction form
    7,066.37/9,751.70 = 3,879.96/x
  3. Step 3: Cross multiply
    7,066.37x = 9,751.70 × 3,879.96
  4. Step 4: Simplify right side
    7,066.37x = 37,836,205.93
  5. Step 5: Solve for x
    x = 37,836,205.93/7,066.37
  6. Step 6: Final answer
    x = 5,354.40

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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.