Home / 4,200.11-5,795.98-2,311.58

Finding the Fourth Proportional to 4,200.11, 5,795.98 and 2,311.58

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Solution

The fourth proportional to 4,200.11, 5,795.98 and 2,311.58 is: 3,189.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,200.11 : 5,795.98 = 2,311.58 : x
  2. Step 2: Convert to fraction form
    4,200.11/5,795.98 = 2,311.58/x
  3. Step 3: Cross multiply
    4,200.11x = 5,795.98 × 2,311.58
  4. Step 4: Simplify right side
    4,200.11x = 13,397,871.45
  5. Step 5: Solve for x
    x = 13,397,871.45/4,200.11
  6. Step 6: Final answer
    x = 3,189.89

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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.