Home / 4,100.42-5,660.99-2,609.62

Finding the Fourth Proportional to 4,100.42, 5,660.99 and 2,609.62

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Solution

The fourth proportional to 4,100.42, 5,660.99 and 2,609.62 is: 3,602.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,100.42 : 5,660.99 = 2,609.62 : x
  2. Step 2: Convert to fraction form
    4,100.42/5,660.99 = 2,609.62/x
  3. Step 3: Cross multiply
    4,100.42x = 5,660.99 × 2,609.62
  4. Step 4: Simplify right side
    4,100.42x = 14,773,015.31
  5. Step 5: Solve for x
    x = 14,773,015.31/4,100.42
  6. Step 6: Final answer
    x = 3,602.80

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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.