Home / 3,529.14-5,294.18-1,188.15

Finding the Fourth Proportional to 3,529.14, 5,294.18 and 1,188.15

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Solution

The fourth proportional to 3,529.14, 5,294.18 and 1,188.15 is: 1,782.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.14 : 5,294.18 = 1,188.15 : x
  2. Step 2: Convert to fraction form
    3,529.14/5,294.18 = 1,188.15/x
  3. Step 3: Cross multiply
    3,529.14x = 5,294.18 × 1,188.15
  4. Step 4: Simplify right side
    3,529.14x = 6,290,274.03
  5. Step 5: Solve for x
    x = 6,290,274.03/3,529.14
  6. Step 6: Final answer
    x = 1,782.38

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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.