Home / 2,842.16-3,925.68-2,054.96

Finding the Fourth Proportional to 2,842.16, 3,925.68 and 2,054.96

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Solution

The fourth proportional to 2,842.16, 3,925.68 and 2,054.96 is: 2,838.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,842.16 : 3,925.68 = 2,054.96 : x
  2. Step 2: Convert to fraction form
    2,842.16/3,925.68 = 2,054.96/x
  3. Step 3: Cross multiply
    2,842.16x = 3,925.68 × 2,054.96
  4. Step 4: Simplify right side
    2,842.16x = 8,067,115.37
  5. Step 5: Solve for x
    x = 8,067,115.37/2,842.16
  6. Step 6: Final answer
    x = 2,838.37

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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.