Home / 3,527.76-5,292.42-1,187.88

Finding the Fourth Proportional to 3,527.76, 5,292.42 and 1,187.88

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Solution

The fourth proportional to 3,527.76, 5,292.42 and 1,187.88 is: 1,782.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,527.76 : 5,292.42 = 1,187.88 : x
  2. Step 2: Convert to fraction form
    3,527.76/5,292.42 = 1,187.88/x
  3. Step 3: Cross multiply
    3,527.76x = 5,292.42 × 1,187.88
  4. Step 4: Simplify right side
    3,527.76x = 6,286,759.87
  5. Step 5: Solve for x
    x = 6,286,759.87/3,527.76
  6. Step 6: Final answer
    x = 1,782.08

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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.