Home / 2,555.11-3,830.63-2,350.09

Finding the Fourth Proportional to 2,555.11, 3,830.63 and 2,350.09

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Solution

The fourth proportional to 2,555.11, 3,830.63 and 2,350.09 is: 3,523.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,555.11 : 3,830.63 = 2,350.09 : x
  2. Step 2: Convert to fraction form
    2,555.11/3,830.63 = 2,350.09/x
  3. Step 3: Cross multiply
    2,555.11x = 3,830.63 × 2,350.09
  4. Step 4: Simplify right side
    2,555.11x = 9,002,325.26
  5. Step 5: Solve for x
    x = 9,002,325.26/2,555.11
  6. Step 6: Final answer
    x = 3,523.26

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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.