Home / 2,953.98-4,076.42-1,609.56

Finding the Fourth Proportional to 2,953.98, 4,076.42 and 1,609.56

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Solution

The fourth proportional to 2,953.98, 4,076.42 and 1,609.56 is: 2,221.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,953.98 : 4,076.42 = 1,609.56 : x
  2. Step 2: Convert to fraction form
    2,953.98/4,076.42 = 1,609.56/x
  3. Step 3: Cross multiply
    2,953.98x = 4,076.42 × 1,609.56
  4. Step 4: Simplify right side
    2,953.98x = 6,561,242.58
  5. Step 5: Solve for x
    x = 6,561,242.58/2,953.98
  6. Step 6: Final answer
    x = 2,221.15

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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.