Home / 2,245.64-3,365.58-945.32

Finding the Fourth Proportional to 2,245.64, 3,365.58 and 945.32

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Solution

The fourth proportional to 2,245.64, 3,365.58 and 945.32 is: 1,416.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,245.64 : 3,365.58 = 945.32 : x
  2. Step 2: Convert to fraction form
    2,245.64/3,365.58 = 945.32/x
  3. Step 3: Cross multiply
    2,245.64x = 3,365.58 × 945.32
  4. Step 4: Simplify right side
    2,245.64x = 3,181,550.09
  5. Step 5: Solve for x
    x = 3,181,550.09/2,245.64
  6. Step 6: Final answer
    x = 1,416.77

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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.