Home / 2,996.40-4,131.26-2,575.92

Finding the Fourth Proportional to 2,996.40, 4,131.26 and 2,575.92

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Solution

The fourth proportional to 2,996.40, 4,131.26 and 2,575.92 is: 3,551.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,996.40 : 4,131.26 = 2,575.92 : x
  2. Step 2: Convert to fraction form
    2,996.40/4,131.26 = 2,575.92/x
  3. Step 3: Cross multiply
    2,996.40x = 4,131.26 × 2,575.92
  4. Step 4: Simplify right side
    2,996.40x = 10,641,795.26
  5. Step 5: Solve for x
    x = 10,641,795.26/2,996.40
  6. Step 6: Final answer
    x = 3,551.53

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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.