Home / 4,005.75-5,527.53-2,304.21

Finding the Fourth Proportional to 4,005.75, 5,527.53 and 2,304.21

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Solution

The fourth proportional to 4,005.75, 5,527.53 and 2,304.21 is: 3,179.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,005.75 : 5,527.53 = 2,304.21 : x
  2. Step 2: Convert to fraction form
    4,005.75/5,527.53 = 2,304.21/x
  3. Step 3: Cross multiply
    4,005.75x = 5,527.53 × 2,304.21
  4. Step 4: Simplify right side
    4,005.75x = 12,736,589.90
  5. Step 5: Solve for x
    x = 12,736,589.90/4,005.75
  6. Step 6: Final answer
    x = 3,179.58

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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.