Home / 2,626.36-3,620.85-2,251.72

Finding the Fourth Proportional to 2,626.36, 3,620.85 and 2,251.72

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Solution

The fourth proportional to 2,626.36, 3,620.85 and 2,251.72 is: 3,104.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,626.36 : 3,620.85 = 2,251.72 : x
  2. Step 2: Convert to fraction form
    2,626.36/3,620.85 = 2,251.72/x
  3. Step 3: Cross multiply
    2,626.36x = 3,620.85 × 2,251.72
  4. Step 4: Simplify right side
    2,626.36x = 8,153,140.36
  5. Step 5: Solve for x
    x = 8,153,140.36/2,626.36
  6. Step 6: Final answer
    x = 3,104.35

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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.