Home / 3,144.53-4,337.51-2,261.51

Finding the Fourth Proportional to 3,144.53, 4,337.51 and 2,261.51

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Solution

The fourth proportional to 3,144.53, 4,337.51 and 2,261.51 is: 3,119.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.53 : 4,337.51 = 2,261.51 : x
  2. Step 2: Convert to fraction form
    3,144.53/4,337.51 = 2,261.51/x
  3. Step 3: Cross multiply
    3,144.53x = 4,337.51 × 2,261.51
  4. Step 4: Simplify right side
    3,144.53x = 9,809,289.25
  5. Step 5: Solve for x
    x = 9,809,289.25/3,144.53
  6. Step 6: Final answer
    x = 3,119.48

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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.