Home / 4,189.11-5,780.91-2,300.68

Finding the Fourth Proportional to 4,189.11, 5,780.91 and 2,300.68

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Solution

The fourth proportional to 4,189.11, 5,780.91 and 2,300.68 is: 3,174.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,189.11 : 5,780.91 = 2,300.68 : x
  2. Step 2: Convert to fraction form
    4,189.11/5,780.91 = 2,300.68/x
  3. Step 3: Cross multiply
    4,189.11x = 5,780.91 × 2,300.68
  4. Step 4: Simplify right side
    4,189.11x = 13,300,024.02
  5. Step 5: Solve for x
    x = 13,300,024.02/4,189.11
  6. Step 6: Final answer
    x = 3,174.90

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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.