Home / 2,844.64-3,924.96-1,665.92

Finding the Fourth Proportional to 2,844.64, 3,924.96 and 1,665.92

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Solution

The fourth proportional to 2,844.64, 3,924.96 and 1,665.92 is: 2,298.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,844.64 : 3,924.96 = 1,665.92 : x
  2. Step 2: Convert to fraction form
    2,844.64/3,924.96 = 1,665.92/x
  3. Step 3: Cross multiply
    2,844.64x = 3,924.96 × 1,665.92
  4. Step 4: Simplify right side
    2,844.64x = 6,538,669.36
  5. Step 5: Solve for x
    x = 6,538,669.36/2,844.64
  6. Step 6: Final answer
    x = 2,298.59

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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.