Home / 3,349.72-5,020.22-1,868.88

Finding the Fourth Proportional to 3,349.72, 5,020.22 and 1,868.88

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Solution

The fourth proportional to 3,349.72, 5,020.22 and 1,868.88 is: 2,800.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,349.72 : 5,020.22 = 1,868.88 : x
  2. Step 2: Convert to fraction form
    3,349.72/5,020.22 = 1,868.88/x
  3. Step 3: Cross multiply
    3,349.72x = 5,020.22 × 1,868.88
  4. Step 4: Simplify right side
    3,349.72x = 9,382,188.75
  5. Step 5: Solve for x
    x = 9,382,188.75/3,349.72
  6. Step 6: Final answer
    x = 2,800.89

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1.5x scale

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.