Home / 4,189.51-6,276.03-2,107

Finding the Fourth Proportional to 4,189.51, 6,276.03 and 2,107

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Solution

The fourth proportional to 4,189.51, 6,276.03 and 2,107 is: 3,156.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,189.51 : 6,276.03 = 2,107 : x
  2. Step 2: Convert to fraction form
    4,189.51/6,276.03 = 2,107/x
  3. Step 3: Cross multiply
    4,189.51x = 6,276.03 × 2,107
  4. Step 4: Simplify right side
    4,189.51x = 13,223,595.21
  5. Step 5: Solve for x
    x = 13,223,595.21/4,189.51
  6. Step 6: Final answer
    x = 3,156.36

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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.