Home / 2,527.53-3,789.45-1,277.30

Finding the Fourth Proportional to 2,527.53, 3,789.45 and 1,277.30

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Solution

The fourth proportional to 2,527.53, 3,789.45 and 1,277.30 is: 1,915.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,527.53 : 3,789.45 = 1,277.30 : x
  2. Step 2: Convert to fraction form
    2,527.53/3,789.45 = 1,277.30/x
  3. Step 3: Cross multiply
    2,527.53x = 3,789.45 × 1,277.30
  4. Step 4: Simplify right side
    2,527.53x = 4,840,245.54
  5. Step 5: Solve for x
    x = 4,840,245.54/2,527.53
  6. Step 6: Final answer
    x = 1,915.01

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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.