Home / 3,527.53-5,291.42-1,187.61

Finding the Fourth Proportional to 3,527.53, 5,291.42 and 1,187.61

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Solution

The fourth proportional to 3,527.53, 5,291.42 and 1,187.61 is: 1,781.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,527.53 : 5,291.42 = 1,187.61 : x
  2. Step 2: Convert to fraction form
    3,527.53/5,291.42 = 1,187.61/x
  3. Step 3: Cross multiply
    3,527.53x = 5,291.42 × 1,187.61
  4. Step 4: Simplify right side
    3,527.53x = 6,284,143.31
  5. Step 5: Solve for x
    x = 6,284,143.31/3,527.53
  6. Step 6: Final answer
    x = 1,781.46

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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.