Home / 2,135.03-3,183.92-1,899.05

Finding the Fourth Proportional to 2,135.03, 3,183.92 and 1,899.05

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Solution

The fourth proportional to 2,135.03, 3,183.92 and 1,899.05 is: 2,832.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135.03 : 3,183.92 = 1,899.05 : x
  2. Step 2: Convert to fraction form
    2,135.03/3,183.92 = 1,899.05/x
  3. Step 3: Cross multiply
    2,135.03x = 3,183.92 × 1,899.05
  4. Step 4: Simplify right side
    2,135.03x = 6,046,423.28
  5. Step 5: Solve for x
    x = 6,046,423.28/2,135.03
  6. Step 6: Final answer
    x = 2,832.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.