Home / 3,019.45-4,164.11-1,956.14

Finding the Fourth Proportional to 3,019.45, 4,164.11 and 1,956.14

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Solution

The fourth proportional to 3,019.45, 4,164.11 and 1,956.14 is: 2,697.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019.45 : 4,164.11 = 1,956.14 : x
  2. Step 2: Convert to fraction form
    3,019.45/4,164.11 = 1,956.14/x
  3. Step 3: Cross multiply
    3,019.45x = 4,164.11 × 1,956.14
  4. Step 4: Simplify right side
    3,019.45x = 8,145,566.21
  5. Step 5: Solve for x
    x = 8,145,566.21/3,019.45
  6. Step 6: Final answer
    x = 2,697.70

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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.