Home / 4,022.15-5,550.78-2,254.32

Finding the Fourth Proportional to 4,022.15, 5,550.78 and 2,254.32

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Solution

The fourth proportional to 4,022.15, 5,550.78 and 2,254.32 is: 3,111.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,022.15 : 5,550.78 = 2,254.32 : x
  2. Step 2: Convert to fraction form
    4,022.15/5,550.78 = 2,254.32/x
  3. Step 3: Cross multiply
    4,022.15x = 5,550.78 × 2,254.32
  4. Step 4: Simplify right side
    4,022.15x = 12,513,234.37
  5. Step 5: Solve for x
    x = 12,513,234.37/4,022.15
  6. Step 6: Final answer
    x = 3,111.08

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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.