Home / 7,090.92-9,786.12-4,107

Finding the Fourth Proportional to 7,090.92, 9,786.12 and 4,107

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Solution

The fourth proportional to 7,090.92, 9,786.12 and 4,107 is: 5,668.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,090.92 : 9,786.12 = 4,107 : x
  2. Step 2: Convert to fraction form
    7,090.92/9,786.12 = 4,107/x
  3. Step 3: Cross multiply
    7,090.92x = 9,786.12 × 4,107
  4. Step 4: Simplify right side
    7,090.92x = 40,191,594.84
  5. Step 5: Solve for x
    x = 40,191,594.84/7,090.92
  6. Step 6: Final answer
    x = 5,668.04

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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.