Home / 2,675.04-4,012.55-727.24

Finding the Fourth Proportional to 2,675.04, 4,012.55 and 727.24

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Solution

The fourth proportional to 2,675.04, 4,012.55 and 727.24 is: 1,090.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,675.04 : 4,012.55 = 727.24 : x
  2. Step 2: Convert to fraction form
    2,675.04/4,012.55 = 727.24/x
  3. Step 3: Cross multiply
    2,675.04x = 4,012.55 × 727.24
  4. Step 4: Simplify right side
    2,675.04x = 2,918,086.86
  5. Step 5: Solve for x
    x = 2,918,086.86/2,675.04
  6. Step 6: Final answer
    x = 1,090.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.