Home / 2,049.12-2,826.36-1,550.16

Finding the Fourth Proportional to 2,049.12, 2,826.36 and 1,550.16

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Solution

The fourth proportional to 2,049.12, 2,826.36 and 1,550.16 is: 2,138.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,049.12 : 2,826.36 = 1,550.16 : x
  2. Step 2: Convert to fraction form
    2,049.12/2,826.36 = 1,550.16/x
  3. Step 3: Cross multiply
    2,049.12x = 2,826.36 × 1,550.16
  4. Step 4: Simplify right side
    2,049.12x = 4,381,310.22
  5. Step 5: Solve for x
    x = 4,381,310.22/2,049.12
  6. Step 6: Final answer
    x = 2,138.14

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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.