Home / 2,865.35-3,953.84-1,606.31

Finding the Fourth Proportional to 2,865.35, 3,953.84 and 1,606.31

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Solution

The fourth proportional to 2,865.35, 3,953.84 and 1,606.31 is: 2,216.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,865.35 : 3,953.84 = 1,606.31 : x
  2. Step 2: Convert to fraction form
    2,865.35/3,953.84 = 1,606.31/x
  3. Step 3: Cross multiply
    2,865.35x = 3,953.84 × 1,606.31
  4. Step 4: Simplify right side
    2,865.35x = 6,351,092.73
  5. Step 5: Solve for x
    x = 6,351,092.73/2,865.35
  6. Step 6: Final answer
    x = 2,216.52

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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.